Home / 18,752.14-28,121.32-5,600.04

Finding the Fourth Proportional to 18,752.14, 28,121.32 and 5,600.04

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Solution

The fourth proportional to 18,752.14, 28,121.32 and 5,600.04 is: 8,398.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,752.14 : 28,121.32 = 5,600.04 : x
  2. Step 2: Convert to fraction form
    18,752.14/28,121.32 = 5,600.04/x
  3. Step 3: Cross multiply
    18,752.14x = 28,121.32 × 5,600.04
  4. Step 4: Simplify right side
    18,752.14x = 157,480,516.85
  5. Step 5: Solve for x
    x = 157,480,516.85/18,752.14
  6. Step 6: Final answer
    x = 8,398.00

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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.