Home / 22,297.95-30,772.11-13,343.72

Finding the Fourth Proportional to 22,297.95, 30,772.11 and 13,343.72

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Solution

The fourth proportional to 22,297.95, 30,772.11 and 13,343.72 is: 18,414.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,297.95 : 30,772.11 = 13,343.72 : x
  2. Step 2: Convert to fraction form
    22,297.95/30,772.11 = 13,343.72/x
  3. Step 3: Cross multiply
    22,297.95x = 30,772.11 × 13,343.72
  4. Step 4: Simplify right side
    22,297.95x = 410,614,265.79
  5. Step 5: Solve for x
    x = 410,614,265.79/22,297.95
  6. Step 6: Final answer
    x = 18,414.89

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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.