Home / 22,438.08-30,963.84-13,364.16

Finding the Fourth Proportional to 22,438.08, 30,963.84 and 13,364.16

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Solution

The fourth proportional to 22,438.08, 30,963.84 and 13,364.16 is: 18,442.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,438.08 : 30,963.84 = 13,364.16 : x
  2. Step 2: Convert to fraction form
    22,438.08/30,963.84 = 13,364.16/x
  3. Step 3: Cross multiply
    22,438.08x = 30,963.84 × 13,364.16
  4. Step 4: Simplify right side
    22,438.08x = 413,805,711.97
  5. Step 5: Solve for x
    x = 413,805,711.97/22,438.08
  6. Step 6: Final answer
    x = 18,442.12

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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.