Home / 18,237.09-25,167.18-9,853.59

Finding the Fourth Proportional to 18,237.09, 25,167.18 and 9,853.59

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Solution

The fourth proportional to 18,237.09, 25,167.18 and 9,853.59 is: 13,597.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,237.09 : 25,167.18 = 9,853.59 : x
  2. Step 2: Convert to fraction form
    18,237.09/25,167.18 = 9,853.59/x
  3. Step 3: Cross multiply
    18,237.09x = 25,167.18 × 9,853.59
  4. Step 4: Simplify right side
    18,237.09x = 247,987,073.18
  5. Step 5: Solve for x
    x = 247,987,073.18/18,237.09
  6. Step 6: Final answer
    x = 13,597.95

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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.