Home / 16,221.40-24,335-11,176.86

Finding the Fourth Proportional to 16,221.40, 24,335 and 11,176.86

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Solution

The fourth proportional to 16,221.40, 24,335 and 11,176.86 is: 16,767.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,221.40 : 24,335 = 11,176.86 : x
  2. Step 2: Convert to fraction form
    16,221.40/24,335 = 11,176.86/x
  3. Step 3: Cross multiply
    16,221.40x = 24,335 × 11,176.86
  4. Step 4: Simplify right side
    16,221.40x = 271,988,888.10
  5. Step 5: Solve for x
    x = 271,988,888.10/16,221.40
  6. Step 6: Final answer
    x = 16,767.29

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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.