Home / 27,248.20-40,872.30-9,711.70

Finding the Fourth Proportional to 27,248.20, 40,872.30 and 9,711.70

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Solution

The fourth proportional to 27,248.20, 40,872.30 and 9,711.70 is: 14,567.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,248.20 : 40,872.30 = 9,711.70 : x
  2. Step 2: Convert to fraction form
    27,248.20/40,872.30 = 9,711.70/x
  3. Step 3: Cross multiply
    27,248.20x = 40,872.30 × 9,711.70
  4. Step 4: Simplify right side
    27,248.20x = 396,939,515.91
  5. Step 5: Solve for x
    x = 396,939,515.91/27,248.20
  6. Step 6: Final answer
    x = 14,567.55

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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.