Home / 17,918.35-24,726.25-9,960.30

Finding the Fourth Proportional to 17,918.35, 24,726.25 and 9,960.30

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Solution

The fourth proportional to 17,918.35, 24,726.25 and 9,960.30 is: 13,744.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,918.35 : 24,726.25 = 9,960.30 : x
  2. Step 2: Convert to fraction form
    17,918.35/24,726.25 = 9,960.30/x
  3. Step 3: Cross multiply
    17,918.35x = 24,726.25 × 9,960.30
  4. Step 4: Simplify right side
    17,918.35x = 246,280,867.88
  5. Step 5: Solve for x
    x = 246,280,867.88/17,918.35
  6. Step 6: Final answer
    x = 13,744.62

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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.