Home / 18,500.07-25,530.54-10,542.12

Finding the Fourth Proportional to 18,500.07, 25,530.54 and 10,542.12

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Solution

The fourth proportional to 18,500.07, 25,530.54 and 10,542.12 is: 14,548.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,500.07 : 25,530.54 = 10,542.12 : x
  2. Step 2: Convert to fraction form
    18,500.07/25,530.54 = 10,542.12/x
  3. Step 3: Cross multiply
    18,500.07x = 25,530.54 × 10,542.12
  4. Step 4: Simplify right side
    18,500.07x = 269,146,016.34
  5. Step 5: Solve for x
    x = 269,146,016.34/18,500.07
  6. Step 6: Final answer
    x = 14,548.38

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Half scale
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Double scale
Find fourth proportional to 18,501.07, 25,531.92 and 10,543.12
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.