Home / 22,399.04-30,910.20-12,326.96

Finding the Fourth Proportional to 22,399.04, 30,910.20 and 12,326.96

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Solution

The fourth proportional to 22,399.04, 30,910.20 and 12,326.96 is: 17,010.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,399.04 : 30,910.20 = 12,326.96 : x
  2. Step 2: Convert to fraction form
    22,399.04/30,910.20 = 12,326.96/x
  3. Step 3: Cross multiply
    22,399.04x = 30,910.20 × 12,326.96
  4. Step 4: Simplify right side
    22,399.04x = 381,028,798.99
  5. Step 5: Solve for x
    x = 381,028,798.99/22,399.04
  6. Step 6: Final answer
    x = 17,010.94

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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.