Home / 15,146.85-22,723.89-4,758.60

Finding the Fourth Proportional to 15,146.85, 22,723.89 and 4,758.60

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Solution

The fourth proportional to 15,146.85, 22,723.89 and 4,758.60 is: 7,139.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,146.85 : 22,723.89 = 4,758.60 : x
  2. Step 2: Convert to fraction form
    15,146.85/22,723.89 = 4,758.60/x
  3. Step 3: Cross multiply
    15,146.85x = 22,723.89 × 4,758.60
  4. Step 4: Simplify right side
    15,146.85x = 108,133,902.95
  5. Step 5: Solve for x
    x = 108,133,902.95/15,146.85
  6. Step 6: Final answer
    x = 7,139.04

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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.