Home / 15,879.08-23,812.54-5,488.04

Finding the Fourth Proportional to 15,879.08, 23,812.54 and 5,488.04

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Solution

The fourth proportional to 15,879.08, 23,812.54 and 5,488.04 is: 8,229.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,879.08 : 23,812.54 = 5,488.04 : x
  2. Step 2: Convert to fraction form
    15,879.08/23,812.54 = 5,488.04/x
  3. Step 3: Cross multiply
    15,879.08x = 23,812.54 × 5,488.04
  4. Step 4: Simplify right side
    15,879.08x = 130,684,172.02
  5. Step 5: Solve for x
    x = 130,684,172.02/15,879.08
  6. Step 6: Final answer
    x = 8,229.96

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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.