Home / 17,958.06-24,781.75-9,891.95

Finding the Fourth Proportional to 17,958.06, 24,781.75 and 9,891.95

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Solution

The fourth proportional to 17,958.06, 24,781.75 and 9,891.95 is: 13,650.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,958.06 : 24,781.75 = 9,891.95 : x
  2. Step 2: Convert to fraction form
    17,958.06/24,781.75 = 9,891.95/x
  3. Step 3: Cross multiply
    17,958.06x = 24,781.75 × 9,891.95
  4. Step 4: Simplify right side
    17,958.06x = 245,139,683.27
  5. Step 5: Solve for x
    x = 245,139,683.27/17,958.06
  6. Step 6: Final answer
    x = 13,650.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.