Home / 22,472.29-31,007.68-13,976.65

Finding the Fourth Proportional to 22,472.29, 31,007.68 and 13,976.65

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Solution

The fourth proportional to 22,472.29, 31,007.68 and 13,976.65 is: 19,285.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,472.29 : 31,007.68 = 13,976.65 : x
  2. Step 2: Convert to fraction form
    22,472.29/31,007.68 = 13,976.65/x
  3. Step 3: Cross multiply
    22,472.29x = 31,007.68 × 13,976.65
  4. Step 4: Simplify right side
    22,472.29x = 433,383,490.67
  5. Step 5: Solve for x
    x = 433,383,490.67/22,472.29
  6. Step 6: Final answer
    x = 19,285.24

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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.