Home / 16,306.44-24,445.08-7,981.28

Finding the Fourth Proportional to 16,306.44, 24,445.08 and 7,981.28

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Solution

The fourth proportional to 16,306.44, 24,445.08 and 7,981.28 is: 11,964.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,306.44 : 24,445.08 = 7,981.28 : x
  2. Step 2: Convert to fraction form
    16,306.44/24,445.08 = 7,981.28/x
  3. Step 3: Cross multiply
    16,306.44x = 24,445.08 × 7,981.28
  4. Step 4: Simplify right side
    16,306.44x = 195,103,028.10
  5. Step 5: Solve for x
    x = 195,103,028.10/16,306.44
  6. Step 6: Final answer
    x = 11,964.78

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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.