Home / 16,685.10-24,992.19-13,550.40

Finding the Fourth Proportional to 16,685.10, 24,992.19 and 13,550.40

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Solution

The fourth proportional to 16,685.10, 24,992.19 and 13,550.40 is: 20,296.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,685.10 : 24,992.19 = 13,550.40 : x
  2. Step 2: Convert to fraction form
    16,685.10/24,992.19 = 13,550.40/x
  3. Step 3: Cross multiply
    16,685.10x = 24,992.19 × 13,550.40
  4. Step 4: Simplify right side
    16,685.10x = 338,654,171.38
  5. Step 5: Solve for x
    x = 338,654,171.38/16,685.10
  6. Step 6: Final answer
    x = 20,296.80

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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.