Home / 15,279.76-22,922.88-4,749.52

Finding the Fourth Proportional to 15,279.76, 22,922.88 and 4,749.52

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Solution

The fourth proportional to 15,279.76, 22,922.88 and 4,749.52 is: 7,125.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,279.76 : 22,922.88 = 4,749.52 : x
  2. Step 2: Convert to fraction form
    15,279.76/22,922.88 = 4,749.52/x
  3. Step 3: Cross multiply
    15,279.76x = 22,922.88 × 4,749.52
  4. Step 4: Simplify right side
    15,279.76x = 108,872,677.02
  5. Step 5: Solve for x
    x = 108,872,677.02/15,279.76
  6. Step 6: Final answer
    x = 7,125.29

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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.