Home / 18,073.28-24,940.90-10,115.57

Finding the Fourth Proportional to 18,073.28, 24,940.90 and 10,115.57

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Solution

The fourth proportional to 18,073.28, 24,940.90 and 10,115.57 is: 13,959.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,073.28 : 24,940.90 = 10,115.57 : x
  2. Step 2: Convert to fraction form
    18,073.28/24,940.90 = 10,115.57/x
  3. Step 3: Cross multiply
    18,073.28x = 24,940.90 × 10,115.57
  4. Step 4: Simplify right side
    18,073.28x = 252,291,419.81
  5. Step 5: Solve for x
    x = 252,291,419.81/18,073.28
  6. Step 6: Final answer
    x = 13,959.36

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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.