Home / 17,350.20-26,017.61-7,987.95

Finding the Fourth Proportional to 17,350.20, 26,017.61 and 7,987.95

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Solution

The fourth proportional to 17,350.20, 26,017.61 and 7,987.95 is: 11,978.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,350.20 : 26,017.61 = 7,987.95 : x
  2. Step 2: Convert to fraction form
    17,350.20/26,017.61 = 7,987.95/x
  3. Step 3: Cross multiply
    17,350.20x = 26,017.61 × 7,987.95
  4. Step 4: Simplify right side
    17,350.20x = 207,827,327.86
  5. Step 5: Solve for x
    x = 207,827,327.86/17,350.20
  6. Step 6: Final answer
    x = 11,978.38

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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.