Home / 25,472.12-35,151.66-14,141.78

Finding the Fourth Proportional to 25,472.12, 35,151.66 and 14,141.78

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Solution

The fourth proportional to 25,472.12, 35,151.66 and 14,141.78 is: 19,515.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,472.12 : 35,151.66 = 14,141.78 : x
  2. Step 2: Convert to fraction form
    25,472.12/35,151.66 = 14,141.78/x
  3. Step 3: Cross multiply
    25,472.12x = 35,151.66 × 14,141.78
  4. Step 4: Simplify right side
    25,472.12x = 497,107,042.35
  5. Step 5: Solve for x
    x = 497,107,042.35/25,472.12
  6. Step 6: Final answer
    x = 19,515.73

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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.