Home / 20,248.84-27,934.26-11,861.80

Finding the Fourth Proportional to 20,248.84, 27,934.26 and 11,861.80

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Solution

The fourth proportional to 20,248.84, 27,934.26 and 11,861.80 is: 16,363.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,248.84 : 27,934.26 = 11,861.80 : x
  2. Step 2: Convert to fraction form
    20,248.84/27,934.26 = 11,861.80/x
  3. Step 3: Cross multiply
    20,248.84x = 27,934.26 × 11,861.80
  4. Step 4: Simplify right side
    20,248.84x = 331,350,605.27
  5. Step 5: Solve for x
    x = 331,350,605.27/20,248.84
  6. Step 6: Final answer
    x = 16,363.93

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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.