Home / 22,311.65-33,456.70-12,954.03

Finding the Fourth Proportional to 22,311.65, 33,456.70 and 12,954.03

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Solution

The fourth proportional to 22,311.65, 33,456.70 and 12,954.03 is: 19,424.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,311.65 : 33,456.70 = 12,954.03 : x
  2. Step 2: Convert to fraction form
    22,311.65/33,456.70 = 12,954.03/x
  3. Step 3: Cross multiply
    22,311.65x = 33,456.70 × 12,954.03
  4. Step 4: Simplify right side
    22,311.65x = 433,399,095.50
  5. Step 5: Solve for x
    x = 433,399,095.50/22,311.65
  6. Step 6: Final answer
    x = 19,424.79

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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.