Home / 12,736.66-17,576.31-7,432

Finding the Fourth Proportional to 12,736.66, 17,576.31 and 7,432

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Solution

The fourth proportional to 12,736.66, 17,576.31 and 7,432 is: 10,256.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,736.66 : 17,576.31 = 7,432 : x
  2. Step 2: Convert to fraction form
    12,736.66/17,576.31 = 7,432/x
  3. Step 3: Cross multiply
    12,736.66x = 17,576.31 × 7,432
  4. Step 4: Simplify right side
    12,736.66x = 130,627,135.92
  5. Step 5: Solve for x
    x = 130,627,135.92/12,736.66
  6. Step 6: Final answer
    x = 10,256.00

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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.