Home / 19,814.18-27,344.39-11,854.85

Finding the Fourth Proportional to 19,814.18, 27,344.39 and 11,854.85

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Solution

The fourth proportional to 19,814.18, 27,344.39 and 11,854.85 is: 16,360.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,814.18 : 27,344.39 = 11,854.85 : x
  2. Step 2: Convert to fraction form
    19,814.18/27,344.39 = 11,854.85/x
  3. Step 3: Cross multiply
    19,814.18x = 27,344.39 × 11,854.85
  4. Step 4: Simplify right side
    19,814.18x = 324,163,445.80
  5. Step 5: Solve for x
    x = 324,163,445.80/19,814.18
  6. Step 6: Final answer
    x = 16,360.18

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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.