Home / 17,911.26-26,871.14-5,432.00

Finding the Fourth Proportional to 17,911.26, 26,871.14 and 5,432.00

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Solution

The fourth proportional to 17,911.26, 26,871.14 and 5,432.00 is: 8,149.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,911.26 : 26,871.14 = 5,432.00 : x
  2. Step 2: Convert to fraction form
    17,911.26/26,871.14 = 5,432.00/x
  3. Step 3: Cross multiply
    17,911.26x = 26,871.14 × 5,432.00
  4. Step 4: Simplify right side
    17,911.26x = 145,963,911.70
  5. Step 5: Solve for x
    x = 145,963,911.70/17,911.26
  6. Step 6: Final answer
    x = 8,149.28

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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.