Home / 22,419.12-33,618.24-7,624.02

Finding the Fourth Proportional to 22,419.12, 33,618.24 and 7,624.02

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Solution

The fourth proportional to 22,419.12, 33,618.24 and 7,624.02 is: 11,432.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,419.12 : 33,618.24 = 7,624.02 : x
  2. Step 2: Convert to fraction form
    22,419.12/33,618.24 = 7,624.02/x
  3. Step 3: Cross multiply
    22,419.12x = 33,618.24 × 7,624.02
  4. Step 4: Simplify right side
    22,419.12x = 256,306,134.12
  5. Step 5: Solve for x
    x = 256,306,134.12/22,419.12
  6. Step 6: Final answer
    x = 11,432.48

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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.