Home / 14,781.66-22,176.33-7,385.82

Finding the Fourth Proportional to 14,781.66, 22,176.33 and 7,385.82

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Solution

The fourth proportional to 14,781.66, 22,176.33 and 7,385.82 is: 11,080.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,781.66 : 22,176.33 = 7,385.82 : x
  2. Step 2: Convert to fraction form
    14,781.66/22,176.33 = 7,385.82/x
  3. Step 3: Cross multiply
    14,781.66x = 22,176.33 × 7,385.82
  4. Step 4: Simplify right side
    14,781.66x = 163,790,381.64
  5. Step 5: Solve for x
    x = 163,790,381.64/14,781.66
  6. Step 6: Final answer
    x = 11,080.65

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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.