Home / 22,180.68-33,272.40-7,390.92

Finding the Fourth Proportional to 22,180.68, 33,272.40 and 7,390.92

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Solution

The fourth proportional to 22,180.68, 33,272.40 and 7,390.92 is: 11,086.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,180.68 : 33,272.40 = 7,390.92 : x
  2. Step 2: Convert to fraction form
    22,180.68/33,272.40 = 7,390.92/x
  3. Step 3: Cross multiply
    22,180.68x = 33,272.40 × 7,390.92
  4. Step 4: Simplify right side
    22,180.68x = 245,913,646.61
  5. Step 5: Solve for x
    x = 245,913,646.61/22,180.68
  6. Step 6: Final answer
    x = 11,086.84

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1.5x scale

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.