Home / 18,193.47-25,105.48-10,234.23

Finding the Fourth Proportional to 18,193.47, 25,105.48 and 10,234.23

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Solution

The fourth proportional to 18,193.47, 25,105.48 and 10,234.23 is: 14,122.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,193.47 : 25,105.48 = 10,234.23 : x
  2. Step 2: Convert to fraction form
    18,193.47/25,105.48 = 10,234.23/x
  3. Step 3: Cross multiply
    18,193.47x = 25,105.48 × 10,234.23
  4. Step 4: Simplify right side
    18,193.47x = 256,935,256.58
  5. Step 5: Solve for x
    x = 256,935,256.58/18,193.47
  6. Step 6: Final answer
    x = 14,122.39

Related Problems

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Half scale
Find fourth proportional to 36,386.94, 50,210.96 and 20,468.46
Double scale
Find fourth proportional to 18,194.47, 25,106.86 and 10,235.23
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.