Home / 22,861.69-31,479.04-20,013.13

Finding the Fourth Proportional to 22,861.69, 31,479.04 and 20,013.13

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Solution

The fourth proportional to 22,861.69, 31,479.04 and 20,013.13 is: 27,556.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,861.69 : 31,479.04 = 20,013.13 : x
  2. Step 2: Convert to fraction form
    22,861.69/31,479.04 = 20,013.13/x
  3. Step 3: Cross multiply
    22,861.69x = 31,479.04 × 20,013.13
  4. Step 4: Simplify right side
    22,861.69x = 629,994,119.80
  5. Step 5: Solve for x
    x = 629,994,119.80/22,861.69
  6. Step 6: Final answer
    x = 27,556.76

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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.