Home / 17,982.36-24,801.66-12,320.46

Finding the Fourth Proportional to 17,982.36, 24,801.66 and 12,320.46

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Solution

The fourth proportional to 17,982.36, 24,801.66 and 12,320.46 is: 16,992.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,982.36 : 24,801.66 = 12,320.46 : x
  2. Step 2: Convert to fraction form
    17,982.36/24,801.66 = 12,320.46/x
  3. Step 3: Cross multiply
    17,982.36x = 24,801.66 × 12,320.46
  4. Step 4: Simplify right side
    17,982.36x = 305,567,859.96
  5. Step 5: Solve for x
    x = 305,567,859.96/17,982.36
  6. Step 6: Final answer
    x = 16,992.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.