Home / 15,136.12-22,714.62-5,275.48

Finding the Fourth Proportional to 15,136.12, 22,714.62 and 5,275.48

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Solution

The fourth proportional to 15,136.12, 22,714.62 and 5,275.48 is: 7,916.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,136.12 : 22,714.62 = 5,275.48 : x
  2. Step 2: Convert to fraction form
    15,136.12/22,714.62 = 5,275.48/x
  3. Step 3: Cross multiply
    15,136.12x = 22,714.62 × 5,275.48
  4. Step 4: Simplify right side
    15,136.12x = 119,830,523.52
  5. Step 5: Solve for x
    x = 119,830,523.52/15,136.12
  6. Step 6: Final answer
    x = 7,916.86

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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.