Home / 23,144.42-31,939.36-12,534

Finding the Fourth Proportional to 23,144.42, 31,939.36 and 12,534

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Solution

The fourth proportional to 23,144.42, 31,939.36 and 12,534 is: 17,296.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,144.42 : 31,939.36 = 12,534 : x
  2. Step 2: Convert to fraction form
    23,144.42/31,939.36 = 12,534/x
  3. Step 3: Cross multiply
    23,144.42x = 31,939.36 × 12,534
  4. Step 4: Simplify right side
    23,144.42x = 400,327,938.24
  5. Step 5: Solve for x
    x = 400,327,938.24/23,144.42
  6. Step 6: Final answer
    x = 17,296.95

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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.