Home / 22,091.53-30,474.69-13,132.66

Finding the Fourth Proportional to 22,091.53, 30,474.69 and 13,132.66

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Solution

The fourth proportional to 22,091.53, 30,474.69 and 13,132.66 is: 18,116.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,091.53 : 30,474.69 = 13,132.66 : x
  2. Step 2: Convert to fraction form
    22,091.53/30,474.69 = 13,132.66/x
  3. Step 3: Cross multiply
    22,091.53x = 30,474.69 × 13,132.66
  4. Step 4: Simplify right side
    22,091.53x = 400,213,742.38
  5. Step 5: Solve for x
    x = 400,213,742.38/22,091.53
  6. Step 6: Final answer
    x = 18,116.16

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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.