Home / 16,819.02-25,182.36-13,691.70

Finding the Fourth Proportional to 16,819.02, 25,182.36 and 13,691.70

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Solution

The fourth proportional to 16,819.02, 25,182.36 and 13,691.70 is: 20,499.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,819.02 : 25,182.36 = 13,691.70 : x
  2. Step 2: Convert to fraction form
    16,819.02/25,182.36 = 13,691.70/x
  3. Step 3: Cross multiply
    16,819.02x = 25,182.36 × 13,691.70
  4. Step 4: Simplify right side
    16,819.02x = 344,789,318.41
  5. Step 5: Solve for x
    x = 344,789,318.41/16,819.02
  6. Step 6: Final answer
    x = 20,499.96

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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.