Home / 22,601.46-31,215.55-15,419.04

Finding the Fourth Proportional to 22,601.46, 31,215.55 and 15,419.04

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Solution

The fourth proportional to 22,601.46, 31,215.55 and 15,419.04 is: 21,295.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,601.46 : 31,215.55 = 15,419.04 : x
  2. Step 2: Convert to fraction form
    22,601.46/31,215.55 = 15,419.04/x
  3. Step 3: Cross multiply
    22,601.46x = 31,215.55 × 15,419.04
  4. Step 4: Simplify right side
    22,601.46x = 481,313,853.56
  5. Step 5: Solve for x
    x = 481,313,853.56/22,601.46
  6. Step 6: Final answer
    x = 21,295.70

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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.