Home / 22,242.16-30,624.24-18,877.96

Finding the Fourth Proportional to 22,242.16, 30,624.24 and 18,877.96

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Solution

The fourth proportional to 22,242.16, 30,624.24 and 18,877.96 is: 25,992.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,242.16 : 30,624.24 = 18,877.96 : x
  2. Step 2: Convert to fraction form
    22,242.16/30,624.24 = 18,877.96/x
  3. Step 3: Cross multiply
    22,242.16x = 30,624.24 × 18,877.96
  4. Step 4: Simplify right side
    22,242.16x = 578,123,177.75
  5. Step 5: Solve for x
    x = 578,123,177.75/22,242.16
  6. Step 6: Final answer
    x = 25,992.22

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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.