Home / 23,144.85-31,939.52-12,534.39

Finding the Fourth Proportional to 23,144.85, 31,939.52 and 12,534.39

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Solution

The fourth proportional to 23,144.85, 31,939.52 and 12,534.39 is: 17,297.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,144.85 : 31,939.52 = 12,534.39 : x
  2. Step 2: Convert to fraction form
    23,144.85/31,939.52 = 12,534.39/x
  3. Step 3: Cross multiply
    23,144.85x = 31,939.52 × 12,534.39
  4. Step 4: Simplify right side
    23,144.85x = 400,342,337.42
  5. Step 5: Solve for x
    x = 400,342,337.42/23,144.85
  6. Step 6: Final answer
    x = 17,297.25

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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.