Home / 13,471.29-20,208.12-4,113.42

Finding the Fourth Proportional to 13,471.29, 20,208.12 and 4,113.42

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Solution

The fourth proportional to 13,471.29, 20,208.12 and 4,113.42 is: 6,170.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,471.29 : 20,208.12 = 4,113.42 : x
  2. Step 2: Convert to fraction form
    13,471.29/20,208.12 = 4,113.42/x
  3. Step 3: Cross multiply
    13,471.29x = 20,208.12 × 4,113.42
  4. Step 4: Simplify right side
    13,471.29x = 83,124,484.97
  5. Step 5: Solve for x
    x = 83,124,484.97/13,471.29
  6. Step 6: Final answer
    x = 6,170.49

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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.