Home / 22,581.46-31,167.60-15,028.11

Finding the Fourth Proportional to 22,581.46, 31,167.60 and 15,028.11

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Solution

The fourth proportional to 22,581.46, 31,167.60 and 15,028.11 is: 20,742.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,581.46 : 31,167.60 = 15,028.11 : x
  2. Step 2: Convert to fraction form
    22,581.46/31,167.60 = 15,028.11/x
  3. Step 3: Cross multiply
    22,581.46x = 31,167.60 × 15,028.11
  4. Step 4: Simplify right side
    22,581.46x = 468,390,121.24
  5. Step 5: Solve for x
    x = 468,390,121.24/22,581.46
  6. Step 6: Final answer
    x = 20,742.24

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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.