Home / 13,822.28-20,736.56-5,057.19

Finding the Fourth Proportional to 13,822.28, 20,736.56 and 5,057.19

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Solution

The fourth proportional to 13,822.28, 20,736.56 and 5,057.19 is: 7,586.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,822.28 : 20,736.56 = 5,057.19 : x
  2. Step 2: Convert to fraction form
    13,822.28/20,736.56 = 5,057.19/x
  3. Step 3: Cross multiply
    13,822.28x = 20,736.56 × 5,057.19
  4. Step 4: Simplify right side
    13,822.28x = 104,868,698.58
  5. Step 5: Solve for x
    x = 104,868,698.58/13,822.28
  6. Step 6: Final answer
    x = 7,586.93

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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.