Home / 13,757.16-20,619.77-5,857.18

Finding the Fourth Proportional to 13,757.16, 20,619.77 and 5,857.18

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Solution

The fourth proportional to 13,757.16, 20,619.77 and 5,857.18 is: 8,778.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,757.16 : 20,619.77 = 5,857.18 : x
  2. Step 2: Convert to fraction form
    13,757.16/20,619.77 = 5,857.18/x
  3. Step 3: Cross multiply
    13,757.16x = 20,619.77 × 5,857.18
  4. Step 4: Simplify right side
    13,757.16x = 120,773,623.61
  5. Step 5: Solve for x
    x = 120,773,623.61/13,757.16
  6. Step 6: Final answer
    x = 8,778.97

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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.