Home / 22,170.49-30,553.06-15,871.93

Finding the Fourth Proportional to 22,170.49, 30,553.06 and 15,871.93

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Solution

The fourth proportional to 22,170.49, 30,553.06 and 15,871.93 is: 21,873.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,170.49 : 30,553.06 = 15,871.93 : x
  2. Step 2: Convert to fraction form
    22,170.49/30,553.06 = 15,871.93/x
  3. Step 3: Cross multiply
    22,170.49x = 30,553.06 × 15,871.93
  4. Step 4: Simplify right side
    22,170.49x = 484,936,029.61
  5. Step 5: Solve for x
    x = 484,936,029.61/22,170.49
  6. Step 6: Final answer
    x = 21,873.04

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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.