Home / 15,711.50-23,567.80-5,324.06

Finding the Fourth Proportional to 15,711.50, 23,567.80 and 5,324.06

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Solution

The fourth proportional to 15,711.50, 23,567.80 and 5,324.06 is: 7,986.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,711.50 : 23,567.80 = 5,324.06 : x
  2. Step 2: Convert to fraction form
    15,711.50/23,567.80 = 5,324.06/x
  3. Step 3: Cross multiply
    15,711.50x = 23,567.80 × 5,324.06
  4. Step 4: Simplify right side
    15,711.50x = 125,476,381.27
  5. Step 5: Solve for x
    x = 125,476,381.27/15,711.50
  6. Step 6: Final answer
    x = 7,986.28

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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.