Home / 22,177.29-30,552.67-15,450.75

Finding the Fourth Proportional to 22,177.29, 30,552.67 and 15,450.75

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Solution

The fourth proportional to 22,177.29, 30,552.67 and 15,450.75 is: 21,285.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,177.29 : 30,552.67 = 15,450.75 : x
  2. Step 2: Convert to fraction form
    22,177.29/30,552.67 = 15,450.75/x
  3. Step 3: Cross multiply
    22,177.29x = 30,552.67 × 15,450.75
  4. Step 4: Simplify right side
    22,177.29x = 472,061,666.00
  5. Step 5: Solve for x
    x = 472,061,666.00/22,177.29
  6. Step 6: Final answer
    x = 21,285.81

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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.