Home / 15,652.85-23,480.20-5,123.96

Finding the Fourth Proportional to 15,652.85, 23,480.20 and 5,123.96

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Solution

The fourth proportional to 15,652.85, 23,480.20 and 5,123.96 is: 7,686.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,652.85 : 23,480.20 = 5,123.96 : x
  2. Step 2: Convert to fraction form
    15,652.85/23,480.20 = 5,123.96/x
  3. Step 3: Cross multiply
    15,652.85x = 23,480.20 × 5,123.96
  4. Step 4: Simplify right side
    15,652.85x = 120,311,582.65
  5. Step 5: Solve for x
    x = 120,311,582.65/15,652.85
  6. Step 6: Final answer
    x = 7,686.24

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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.