Home / 22,564.18-31,147.29-20,202.22

Finding the Fourth Proportional to 22,564.18, 31,147.29 and 20,202.22

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Solution

The fourth proportional to 22,564.18, 31,147.29 and 20,202.22 is: 27,886.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,564.18 : 31,147.29 = 20,202.22 : x
  2. Step 2: Convert to fraction form
    22,564.18/31,147.29 = 20,202.22/x
  3. Step 3: Cross multiply
    22,564.18x = 31,147.29 × 20,202.22
  4. Step 4: Simplify right side
    22,564.18x = 629,244,404.98
  5. Step 5: Solve for x
    x = 629,244,404.98/22,564.18
  6. Step 6: Final answer
    x = 27,886.87

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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.