Home / 13,461.43-20,186.67-5,863.12

Finding the Fourth Proportional to 13,461.43, 20,186.67 and 5,863.12

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Solution

The fourth proportional to 13,461.43, 20,186.67 and 5,863.12 is: 8,792.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,461.43 : 20,186.67 = 5,863.12 : x
  2. Step 2: Convert to fraction form
    13,461.43/20,186.67 = 5,863.12/x
  3. Step 3: Cross multiply
    13,461.43x = 20,186.67 × 5,863.12
  4. Step 4: Simplify right side
    13,461.43x = 118,356,868.61
  5. Step 5: Solve for x
    x = 118,356,868.61/13,461.43
  6. Step 6: Final answer
    x = 8,792.30

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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.