Home / 19,626.29-27,086.88-11,672.90

Finding the Fourth Proportional to 19,626.29, 27,086.88 and 11,672.90

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Solution

The fourth proportional to 19,626.29, 27,086.88 and 11,672.90 is: 16,110.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,626.29 : 27,086.88 = 11,672.90 : x
  2. Step 2: Convert to fraction form
    19,626.29/27,086.88 = 11,672.90/x
  3. Step 3: Cross multiply
    19,626.29x = 27,086.88 × 11,672.90
  4. Step 4: Simplify right side
    19,626.29x = 316,182,306.12
  5. Step 5: Solve for x
    x = 316,182,306.12/19,626.29
  6. Step 6: Final answer
    x = 16,110.15

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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.