Home / 22,261.74-30,751.20-17,817.30

Finding the Fourth Proportional to 22,261.74, 30,751.20 and 17,817.30

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Solution

The fourth proportional to 22,261.74, 30,751.20 and 17,817.30 is: 24,611.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,261.74 : 30,751.20 = 17,817.30 : x
  2. Step 2: Convert to fraction form
    22,261.74/30,751.20 = 17,817.30/x
  3. Step 3: Cross multiply
    22,261.74x = 30,751.20 × 17,817.30
  4. Step 4: Simplify right side
    22,261.74x = 547,903,355.76
  5. Step 5: Solve for x
    x = 547,903,355.76/22,261.74
  6. Step 6: Final answer
    x = 24,611.88

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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.