Home / 18,109.32-27,165.20-4,960.59

Finding the Fourth Proportional to 18,109.32, 27,165.20 and 4,960.59

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Solution

The fourth proportional to 18,109.32, 27,165.20 and 4,960.59 is: 7,441.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,109.32 : 27,165.20 = 4,960.59 : x
  2. Step 2: Convert to fraction form
    18,109.32/27,165.20 = 4,960.59/x
  3. Step 3: Cross multiply
    18,109.32x = 27,165.20 × 4,960.59
  4. Step 4: Simplify right side
    18,109.32x = 134,755,394.67
  5. Step 5: Solve for x
    x = 134,755,394.67/18,109.32
  6. Step 6: Final answer
    x = 7,441.22

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1.5x scale

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.