Home / 22,570.97-31,153.14-15,017.62

Finding the Fourth Proportional to 22,570.97, 31,153.14 and 15,017.62

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Solution

The fourth proportional to 22,570.97, 31,153.14 and 15,017.62 is: 20,727.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,570.97 : 31,153.14 = 15,017.62 : x
  2. Step 2: Convert to fraction form
    22,570.97/31,153.14 = 15,017.62/x
  3. Step 3: Cross multiply
    22,570.97x = 31,153.14 × 15,017.62
  4. Step 4: Simplify right side
    22,570.97x = 467,846,018.33
  5. Step 5: Solve for x
    x = 467,846,018.33/22,570.97
  6. Step 6: Final answer
    x = 20,727.78

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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.