Home / 22,215.52-33,330.48-7,425.04

Finding the Fourth Proportional to 22,215.52, 33,330.48 and 7,425.04

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Solution

The fourth proportional to 22,215.52, 33,330.48 and 7,425.04 is: 11,139.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,215.52 : 33,330.48 = 7,425.04 : x
  2. Step 2: Convert to fraction form
    22,215.52/33,330.48 = 7,425.04/x
  3. Step 3: Cross multiply
    22,215.52x = 33,330.48 × 7,425.04
  4. Step 4: Simplify right side
    22,215.52x = 247,480,147.22
  5. Step 5: Solve for x
    x = 247,480,147.22/22,215.52
  6. Step 6: Final answer
    x = 11,139.97

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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.