Home / 16,179.74-24,269.53-13,981.78

Finding the Fourth Proportional to 16,179.74, 24,269.53 and 13,981.78

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Solution

The fourth proportional to 16,179.74, 24,269.53 and 13,981.78 is: 20,972.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,179.74 : 24,269.53 = 13,981.78 : x
  2. Step 2: Convert to fraction form
    16,179.74/24,269.53 = 13,981.78/x
  3. Step 3: Cross multiply
    16,179.74x = 24,269.53 × 13,981.78
  4. Step 4: Simplify right side
    16,179.74x = 339,331,229.16
  5. Step 5: Solve for x
    x = 339,331,229.16/16,179.74
  6. Step 6: Final answer
    x = 20,972.60

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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.