Home / 23,125.10-31,912.72-12,514.72

Finding the Fourth Proportional to 23,125.10, 31,912.72 and 12,514.72

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Solution

The fourth proportional to 23,125.10, 31,912.72 and 12,514.72 is: 17,270.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,125.10 : 31,912.72 = 12,514.72 : x
  2. Step 2: Convert to fraction form
    23,125.10/31,912.72 = 12,514.72/x
  3. Step 3: Cross multiply
    23,125.10x = 31,912.72 × 12,514.72
  4. Step 4: Simplify right side
    23,125.10x = 399,378,755.24
  5. Step 5: Solve for x
    x = 399,378,755.24/23,125.10
  6. Step 6: Final answer
    x = 17,270.36

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Double scale
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Similar ratio
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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.