Home / 13,471.10-20,207.67-3,610.16

Finding the Fourth Proportional to 13,471.10, 20,207.67 and 3,610.16

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Solution

The fourth proportional to 13,471.10, 20,207.67 and 3,610.16 is: 5,415.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,471.10 : 20,207.67 = 3,610.16 : x
  2. Step 2: Convert to fraction form
    13,471.10/20,207.67 = 3,610.16/x
  3. Step 3: Cross multiply
    13,471.10x = 20,207.67 × 3,610.16
  4. Step 4: Simplify right side
    13,471.10x = 72,952,921.93
  5. Step 5: Solve for x
    x = 72,952,921.93/13,471.10
  6. Step 6: Final answer
    x = 5,415.51

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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.