Home / 15,123.20-22,684.80-4,734.96

Finding the Fourth Proportional to 15,123.20, 22,684.80 and 4,734.96

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Solution

The fourth proportional to 15,123.20, 22,684.80 and 4,734.96 is: 7,102.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,123.20 : 22,684.80 = 4,734.96 : x
  2. Step 2: Convert to fraction form
    15,123.20/22,684.80 = 4,734.96/x
  3. Step 3: Cross multiply
    15,123.20x = 22,684.80 × 4,734.96
  4. Step 4: Simplify right side
    15,123.20x = 107,411,620.61
  5. Step 5: Solve for x
    x = 107,411,620.61/15,123.20
  6. Step 6: Final answer
    x = 7,102.44

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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.