Home / 37,209.92-55,815.60-14,720

Finding the Fourth Proportional to 37,209.92, 55,815.60 and 14,720

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Solution

The fourth proportional to 37,209.92, 55,815.60 and 14,720 is: 22,080.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,209.92 : 55,815.60 = 14,720 : x
  2. Step 2: Convert to fraction form
    37,209.92/55,815.60 = 14,720/x
  3. Step 3: Cross multiply
    37,209.92x = 55,815.60 × 14,720
  4. Step 4: Simplify right side
    37,209.92x = 821,605,632
  5. Step 5: Solve for x
    x = 821,605,632/37,209.92
  6. Step 6: Final answer
    x = 22,080.28

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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.