Home / 23,147.28-31,943.40-12,537

Finding the Fourth Proportional to 23,147.28, 31,943.40 and 12,537

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Solution

The fourth proportional to 23,147.28, 31,943.40 and 12,537 is: 17,301.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,147.28 : 31,943.40 = 12,537 : x
  2. Step 2: Convert to fraction form
    23,147.28/31,943.40 = 12,537/x
  3. Step 3: Cross multiply
    23,147.28x = 31,943.40 × 12,537
  4. Step 4: Simplify right side
    23,147.28x = 400,474,405.80
  5. Step 5: Solve for x
    x = 400,474,405.80/23,147.28
  6. Step 6: Final answer
    x = 17,301.14

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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.