Home / 15,972.68-22,042.52-9,258.80

Finding the Fourth Proportional to 15,972.68, 22,042.52 and 9,258.80

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Solution

The fourth proportional to 15,972.68, 22,042.52 and 9,258.80 is: 12,777.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,972.68 : 22,042.52 = 9,258.80 : x
  2. Step 2: Convert to fraction form
    15,972.68/22,042.52 = 9,258.80/x
  3. Step 3: Cross multiply
    15,972.68x = 22,042.52 × 9,258.80
  4. Step 4: Simplify right side
    15,972.68x = 204,087,284.18
  5. Step 5: Solve for x
    x = 204,087,284.18/15,972.68
  6. Step 6: Final answer
    x = 12,777.27

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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.