Home / 15,135.12-22,689.90-7,233.30

Finding the Fourth Proportional to 15,135.12, 22,689.90 and 7,233.30

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Solution

The fourth proportional to 15,135.12, 22,689.90 and 7,233.30 is: 10,843.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,135.12 : 22,689.90 = 7,233.30 : x
  2. Step 2: Convert to fraction form
    15,135.12/22,689.90 = 7,233.30/x
  3. Step 3: Cross multiply
    15,135.12x = 22,689.90 × 7,233.30
  4. Step 4: Simplify right side
    15,135.12x = 164,122,853.67
  5. Step 5: Solve for x
    x = 164,122,853.67/15,135.12
  6. Step 6: Final answer
    x = 10,843.84

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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.