Home / 25,114.46-34,655.55-15,042.71

Finding the Fourth Proportional to 25,114.46, 34,655.55 and 15,042.71

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Solution

The fourth proportional to 25,114.46, 34,655.55 and 15,042.71 is: 20,757.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,114.46 : 34,655.55 = 15,042.71 : x
  2. Step 2: Convert to fraction form
    25,114.46/34,655.55 = 15,042.71/x
  3. Step 3: Cross multiply
    25,114.46x = 34,655.55 × 15,042.71
  4. Step 4: Simplify right side
    25,114.46x = 521,313,418.77
  5. Step 5: Solve for x
    x = 521,313,418.77/25,114.46
  6. Step 6: Final answer
    x = 20,757.50

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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.