Home / 29,344.08-40,494.54-15,915.64

Finding the Fourth Proportional to 29,344.08, 40,494.54 and 15,915.64

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Solution

The fourth proportional to 29,344.08, 40,494.54 and 15,915.64 is: 21,963.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,344.08 : 40,494.54 = 15,915.64 : x
  2. Step 2: Convert to fraction form
    29,344.08/40,494.54 = 15,915.64/x
  3. Step 3: Cross multiply
    29,344.08x = 40,494.54 × 15,915.64
  4. Step 4: Simplify right side
    29,344.08x = 644,496,520.61
  5. Step 5: Solve for x
    x = 644,496,520.61/29,344.08
  6. Step 6: Final answer
    x = 21,963.43

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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.