Home / 14,644.90-21,951.84-4,781.53

Finding the Fourth Proportional to 14,644.90, 21,951.84 and 4,781.53

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Solution

The fourth proportional to 14,644.90, 21,951.84 and 4,781.53 is: 7,167.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,644.90 : 21,951.84 = 4,781.53 : x
  2. Step 2: Convert to fraction form
    14,644.90/21,951.84 = 4,781.53/x
  3. Step 3: Cross multiply
    14,644.90x = 21,951.84 × 4,781.53
  4. Step 4: Simplify right side
    14,644.90x = 104,963,381.52
  5. Step 5: Solve for x
    x = 104,963,381.52/14,644.90
  6. Step 6: Final answer
    x = 7,167.23

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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.