Home / 22,528.68-31,098.30-20,166.72

Finding the Fourth Proportional to 22,528.68, 31,098.30 and 20,166.72

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Solution

The fourth proportional to 22,528.68, 31,098.30 and 20,166.72 is: 27,837.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,528.68 : 31,098.30 = 20,166.72 : x
  2. Step 2: Convert to fraction form
    22,528.68/31,098.30 = 20,166.72/x
  3. Step 3: Cross multiply
    22,528.68x = 31,098.30 × 20,166.72
  4. Step 4: Simplify right side
    22,528.68x = 627,150,708.58
  5. Step 5: Solve for x
    x = 627,150,708.58/22,528.68
  6. Step 6: Final answer
    x = 27,837.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.