Home / 22,132.81-30,542.10-12,700.75

Finding the Fourth Proportional to 22,132.81, 30,542.10 and 12,700.75

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Solution

The fourth proportional to 22,132.81, 30,542.10 and 12,700.75 is: 17,526.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,132.81 : 30,542.10 = 12,700.75 : x
  2. Step 2: Convert to fraction form
    22,132.81/30,542.10 = 12,700.75/x
  3. Step 3: Cross multiply
    22,132.81x = 30,542.10 × 12,700.75
  4. Step 4: Simplify right side
    22,132.81x = 387,907,576.58
  5. Step 5: Solve for x
    x = 387,907,576.58/22,132.81
  6. Step 6: Final answer
    x = 17,526.36

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.