Home / 25,472.54-38,159.10-16,680.80

Finding the Fourth Proportional to 25,472.54, 38,159.10 and 16,680.80

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Solution

The fourth proportional to 25,472.54, 38,159.10 and 16,680.80 is: 24,988.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,472.54 : 38,159.10 = 16,680.80 : x
  2. Step 2: Convert to fraction form
    25,472.54/38,159.10 = 16,680.80/x
  3. Step 3: Cross multiply
    25,472.54x = 38,159.10 × 16,680.80
  4. Step 4: Simplify right side
    25,472.54x = 636,524,315.28
  5. Step 5: Solve for x
    x = 636,524,315.28/25,472.54
  6. Step 6: Final answer
    x = 24,988.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.