Home / 22,438.14-30,963.38-12,366.55

Finding the Fourth Proportional to 22,438.14, 30,963.38 and 12,366.55

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Solution

The fourth proportional to 22,438.14, 30,963.38 and 12,366.55 is: 17,065.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,438.14 : 30,963.38 = 12,366.55 : x
  2. Step 2: Convert to fraction form
    22,438.14/30,963.38 = 12,366.55/x
  3. Step 3: Cross multiply
    22,438.14x = 30,963.38 × 12,366.55
  4. Step 4: Simplify right side
    22,438.14x = 382,910,241.22
  5. Step 5: Solve for x
    x = 382,910,241.22/22,438.14
  6. Step 6: Final answer
    x = 17,065.15

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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.