Home / 24,731.26-34,128.78-13,400.49

Finding the Fourth Proportional to 24,731.26, 34,128.78 and 13,400.49

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Solution

The fourth proportional to 24,731.26, 34,128.78 and 13,400.49 is: 18,492.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,731.26 : 34,128.78 = 13,400.49 : x
  2. Step 2: Convert to fraction form
    24,731.26/34,128.78 = 13,400.49/x
  3. Step 3: Cross multiply
    24,731.26x = 34,128.78 × 13,400.49
  4. Step 4: Simplify right side
    24,731.26x = 457,342,373.93
  5. Step 5: Solve for x
    x = 457,342,373.93/24,731.26
  6. Step 6: Final answer
    x = 18,492.48

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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.