Home / 22,970.74-34,428.42-11,871.46

Finding the Fourth Proportional to 22,970.74, 34,428.42 and 11,871.46

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Solution

The fourth proportional to 22,970.74, 34,428.42 and 11,871.46 is: 17,792.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,970.74 : 34,428.42 = 11,871.46 : x
  2. Step 2: Convert to fraction form
    22,970.74/34,428.42 = 11,871.46/x
  3. Step 3: Cross multiply
    22,970.74x = 34,428.42 × 11,871.46
  4. Step 4: Simplify right side
    22,970.74x = 408,715,610.89
  5. Step 5: Solve for x
    x = 408,715,610.89/22,970.74
  6. Step 6: Final answer
    x = 17,792.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.