Home / 13,061.52-19,489.38-12,267.84

Finding the Fourth Proportional to 13,061.52, 19,489.38 and 12,267.84

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Solution

The fourth proportional to 13,061.52, 19,489.38 and 12,267.84 is: 18,305.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,061.52 : 19,489.38 = 12,267.84 : x
  2. Step 2: Convert to fraction form
    13,061.52/19,489.38 = 12,267.84/x
  3. Step 3: Cross multiply
    13,061.52x = 19,489.38 × 12,267.84
  4. Step 4: Simplify right side
    13,061.52x = 239,092,595.54
  5. Step 5: Solve for x
    x = 239,092,595.54/13,061.52
  6. Step 6: Final answer
    x = 18,305.11

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.