Home / 13,344.13-18,401.20-8,037.96

Finding the Fourth Proportional to 13,344.13, 18,401.20 and 8,037.96

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Solution

The fourth proportional to 13,344.13, 18,401.20 and 8,037.96 is: 11,084.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,344.13 : 18,401.20 = 8,037.96 : x
  2. Step 2: Convert to fraction form
    13,344.13/18,401.20 = 8,037.96/x
  3. Step 3: Cross multiply
    13,344.13x = 18,401.20 × 8,037.96
  4. Step 4: Simplify right side
    13,344.13x = 147,908,109.55
  5. Step 5: Solve for x
    x = 147,908,109.55/13,344.13
  6. Step 6: Final answer
    x = 11,084.13

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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.