Home / 13,792.56-20,686.17-5,359.05

Finding the Fourth Proportional to 13,792.56, 20,686.17 and 5,359.05

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Solution

The fourth proportional to 13,792.56, 20,686.17 and 5,359.05 is: 8,037.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,792.56 : 20,686.17 = 5,359.05 : x
  2. Step 2: Convert to fraction form
    13,792.56/20,686.17 = 5,359.05/x
  3. Step 3: Cross multiply
    13,792.56x = 20,686.17 × 5,359.05
  4. Step 4: Simplify right side
    13,792.56x = 110,858,219.34
  5. Step 5: Solve for x
    x = 110,858,219.34/13,792.56
  6. Step 6: Final answer
    x = 8,037.54

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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.