Home / 16,404.60-24,631.65-13,107.90

Finding the Fourth Proportional to 16,404.60, 24,631.65 and 13,107.90

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Solution

The fourth proportional to 16,404.60, 24,631.65 and 13,107.90 is: 19,681.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,404.60 : 24,631.65 = 13,107.90 : x
  2. Step 2: Convert to fraction form
    16,404.60/24,631.65 = 13,107.90/x
  3. Step 3: Cross multiply
    16,404.60x = 24,631.65 × 13,107.90
  4. Step 4: Simplify right side
    16,404.60x = 322,869,205.04
  5. Step 5: Solve for x
    x = 322,869,205.04/16,404.60
  6. Step 6: Final answer
    x = 19,681.63

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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.