Home / 15,142.26-22,714.41-5,148.02

Finding the Fourth Proportional to 15,142.26, 22,714.41 and 5,148.02

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Solution

The fourth proportional to 15,142.26, 22,714.41 and 5,148.02 is: 7,722.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,142.26 : 22,714.41 = 5,148.02 : x
  2. Step 2: Convert to fraction form
    15,142.26/22,714.41 = 5,148.02/x
  3. Step 3: Cross multiply
    15,142.26x = 22,714.41 × 5,148.02
  4. Step 4: Simplify right side
    15,142.26x = 116,934,123.40
  5. Step 5: Solve for x
    x = 116,934,123.40/15,142.26
  6. Step 6: Final answer
    x = 7,722.37

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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.