Home / 22,575.56-31,159.46-15,022.20

Finding the Fourth Proportional to 22,575.56, 31,159.46 and 15,022.20

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Solution

The fourth proportional to 22,575.56, 31,159.46 and 15,022.20 is: 20,734.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,575.56 : 31,159.46 = 15,022.20 : x
  2. Step 2: Convert to fraction form
    22,575.56/31,159.46 = 15,022.20/x
  3. Step 3: Cross multiply
    22,575.56x = 31,159.46 × 15,022.20
  4. Step 4: Simplify right side
    22,575.56x = 468,083,640.01
  5. Step 5: Solve for x
    x = 468,083,640.01/22,575.56
  6. Step 6: Final answer
    x = 20,734.09

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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.