Home / 12,902.13-19,353.22-3,542.27

Finding the Fourth Proportional to 12,902.13, 19,353.22 and 3,542.27

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Solution

The fourth proportional to 12,902.13, 19,353.22 and 3,542.27 is: 5,313.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,902.13 : 19,353.22 = 3,542.27 : x
  2. Step 2: Convert to fraction form
    12,902.13/19,353.22 = 3,542.27/x
  3. Step 3: Cross multiply
    12,902.13x = 19,353.22 × 3,542.27
  4. Step 4: Simplify right side
    12,902.13x = 68,554,419.71
  5. Step 5: Solve for x
    x = 68,554,419.71/12,902.13
  6. Step 6: Final answer
    x = 5,313.42

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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.