Home / 39,983.62-59,909.78-13,674.01

Finding the Fourth Proportional to 39,983.62, 59,909.78 and 13,674.01

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Solution

The fourth proportional to 39,983.62, 59,909.78 and 13,674.01 is: 20,488.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,983.62 : 59,909.78 = 13,674.01 : x
  2. Step 2: Convert to fraction form
    39,983.62/59,909.78 = 13,674.01/x
  3. Step 3: Cross multiply
    39,983.62x = 59,909.78 × 13,674.01
  4. Step 4: Simplify right side
    39,983.62x = 819,206,815.23
  5. Step 5: Solve for x
    x = 819,206,815.23/39,983.62
  6. Step 6: Final answer
    x = 20,488.56

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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.