Home / 15,132.88-22,702.52-4,745.68

Finding the Fourth Proportional to 15,132.88, 22,702.52 and 4,745.68

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Solution

The fourth proportional to 15,132.88, 22,702.52 and 4,745.68 is: 7,119.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,132.88 : 22,702.52 = 4,745.68 : x
  2. Step 2: Convert to fraction form
    15,132.88/22,702.52 = 4,745.68/x
  3. Step 3: Cross multiply
    15,132.88x = 22,702.52 × 4,745.68
  4. Step 4: Simplify right side
    15,132.88x = 107,738,895.11
  5. Step 5: Solve for x
    x = 107,738,895.11/15,132.88
  6. Step 6: Final answer
    x = 7,119.52

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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.