Home / 20,266.68-27,974.70-11,883

Finding the Fourth Proportional to 20,266.68, 27,974.70 and 11,883

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Solution

The fourth proportional to 20,266.68, 27,974.70 and 11,883 is: 16,402.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,266.68 : 27,974.70 = 11,883 : x
  2. Step 2: Convert to fraction form
    20,266.68/27,974.70 = 11,883/x
  3. Step 3: Cross multiply
    20,266.68x = 27,974.70 × 11,883
  4. Step 4: Simplify right side
    20,266.68x = 332,423,360.10
  5. Step 5: Solve for x
    x = 332,423,360.10/20,266.68
  6. Step 6: Final answer
    x = 16,402.46

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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.