Home / 18,480.60-27,725.40-5,332.68

Finding the Fourth Proportional to 18,480.60, 27,725.40 and 5,332.68

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Solution

The fourth proportional to 18,480.60, 27,725.40 and 5,332.68 is: 8,000.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,480.60 : 27,725.40 = 5,332.68 : x
  2. Step 2: Convert to fraction form
    18,480.60/27,725.40 = 5,332.68/x
  3. Step 3: Cross multiply
    18,480.60x = 27,725.40 × 5,332.68
  4. Step 4: Simplify right side
    18,480.60x = 147,850,686.07
  5. Step 5: Solve for x
    x = 147,850,686.07/18,480.60
  6. Step 6: Final answer
    x = 8,000.32

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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.