Home / 18,198.15-25,113.29-10,240.22

Finding the Fourth Proportional to 18,198.15, 25,113.29 and 10,240.22

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Solution

The fourth proportional to 18,198.15, 25,113.29 and 10,240.22 is: 14,131.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,198.15 : 25,113.29 = 10,240.22 : x
  2. Step 2: Convert to fraction form
    18,198.15/25,113.29 = 10,240.22/x
  3. Step 3: Cross multiply
    18,198.15x = 25,113.29 × 10,240.22
  4. Step 4: Simplify right side
    18,198.15x = 257,165,437.76
  5. Step 5: Solve for x
    x = 257,165,437.76/18,198.15
  6. Step 6: Final answer
    x = 14,131.41

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Double scale
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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.