Home / 19,928.26-27,301.84-19,180.90

Finding the Fourth Proportional to 19,928.26, 27,301.84 and 19,180.90

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Solution

The fourth proportional to 19,928.26, 27,301.84 and 19,180.90 is: 26,277.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,928.26 : 27,301.84 = 19,180.90 : x
  2. Step 2: Convert to fraction form
    19,928.26/27,301.84 = 19,180.90/x
  3. Step 3: Cross multiply
    19,928.26x = 27,301.84 × 19,180.90
  4. Step 4: Simplify right side
    19,928.26x = 523,673,862.86
  5. Step 5: Solve for x
    x = 523,673,862.86/19,928.26
  6. Step 6: Final answer
    x = 26,277.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.