Home / 15,129.45-22,691.44-6,699.75

Finding the Fourth Proportional to 15,129.45, 22,691.44 and 6,699.75

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Solution

The fourth proportional to 15,129.45, 22,691.44 and 6,699.75 is: 10,048.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,129.45 : 22,691.44 = 6,699.75 : x
  2. Step 2: Convert to fraction form
    15,129.45/22,691.44 = 6,699.75/x
  3. Step 3: Cross multiply
    15,129.45x = 22,691.44 × 6,699.75
  4. Step 4: Simplify right side
    15,129.45x = 152,026,898.42
  5. Step 5: Solve for x
    x = 152,026,898.42/15,129.45
  6. Step 6: Final answer
    x = 10,048.41

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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.