Home / 19,833.66-27,367.88-11,874.20

Finding the Fourth Proportional to 19,833.66, 27,367.88 and 11,874.20

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Solution

The fourth proportional to 19,833.66, 27,367.88 and 11,874.20 is: 16,384.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,833.66 : 27,367.88 = 11,874.20 : x
  2. Step 2: Convert to fraction form
    19,833.66/27,367.88 = 11,874.20/x
  3. Step 3: Cross multiply
    19,833.66x = 27,367.88 × 11,874.20
  4. Step 4: Simplify right side
    19,833.66x = 324,971,484.49
  5. Step 5: Solve for x
    x = 324,971,484.49/19,833.66
  6. Step 6: Final answer
    x = 16,384.85

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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.