Home / 13,474.56-20,215.44-5,150.16

Finding the Fourth Proportional to 13,474.56, 20,215.44 and 5,150.16

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Solution

The fourth proportional to 13,474.56, 20,215.44 and 5,150.16 is: 7,726.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,474.56 : 20,215.44 = 5,150.16 : x
  2. Step 2: Convert to fraction form
    13,474.56/20,215.44 = 5,150.16/x
  3. Step 3: Cross multiply
    13,474.56x = 20,215.44 × 5,150.16
  4. Step 4: Simplify right side
    13,474.56x = 104,112,750.47
  5. Step 5: Solve for x
    x = 104,112,750.47/13,474.56
  6. Step 6: Final answer
    x = 7,726.62

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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.