Home / 23,145.90-34,631.10-15,369.90

Finding the Fourth Proportional to 23,145.90, 34,631.10 and 15,369.90

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Solution

The fourth proportional to 23,145.90, 34,631.10 and 15,369.90 is: 22,996.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,145.90 : 34,631.10 = 15,369.90 : x
  2. Step 2: Convert to fraction form
    23,145.90/34,631.10 = 15,369.90/x
  3. Step 3: Cross multiply
    23,145.90x = 34,631.10 × 15,369.90
  4. Step 4: Simplify right side
    23,145.90x = 532,276,543.89
  5. Step 5: Solve for x
    x = 532,276,543.89/23,145.90
  6. Step 6: Final answer
    x = 22,996.58

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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.