Home / 22,381.56-33,538.14-11,257.20

Finding the Fourth Proportional to 22,381.56, 33,538.14 and 11,257.20

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Solution

The fourth proportional to 22,381.56, 33,538.14 and 11,257.20 is: 16,868.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,381.56 : 33,538.14 = 11,257.20 : x
  2. Step 2: Convert to fraction form
    22,381.56/33,538.14 = 11,257.20/x
  3. Step 3: Cross multiply
    22,381.56x = 33,538.14 × 11,257.20
  4. Step 4: Simplify right side
    22,381.56x = 377,545,549.61
  5. Step 5: Solve for x
    x = 377,545,549.61/22,381.56
  6. Step 6: Final answer
    x = 16,868.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.