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Finding the Fourth Proportional to 16,101.20, 24,151.80 and 13,336.40

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Solution

The fourth proportional to 16,101.20, 24,151.80 and 13,336.40 is: 20,004.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,101.20 : 24,151.80 = 13,336.40 : x
  2. Step 2: Convert to fraction form
    16,101.20/24,151.80 = 13,336.40/x
  3. Step 3: Cross multiply
    16,101.20x = 24,151.80 × 13,336.40
  4. Step 4: Simplify right side
    16,101.20x = 322,098,065.52
  5. Step 5: Solve for x
    x = 322,098,065.52/16,101.20
  6. Step 6: Final answer
    x = 20,004.60

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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.