Home / 15,677.46-23,516.10-3,991.59

Finding the Fourth Proportional to 15,677.46, 23,516.10 and 3,991.59

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Solution

The fourth proportional to 15,677.46, 23,516.10 and 3,991.59 is: 5,987.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,677.46 : 23,516.10 = 3,991.59 : x
  2. Step 2: Convert to fraction form
    15,677.46/23,516.10 = 3,991.59/x
  3. Step 3: Cross multiply
    15,677.46x = 23,516.10 × 3,991.59
  4. Step 4: Simplify right side
    15,677.46x = 93,866,629.60
  5. Step 5: Solve for x
    x = 93,866,629.60/15,677.46
  6. Step 6: Final answer
    x = 5,987.36

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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.