Home / 25,776.90-35,589.26-19,797.88

Finding the Fourth Proportional to 25,776.90, 35,589.26 and 19,797.88

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Solution

The fourth proportional to 25,776.90, 35,589.26 and 19,797.88 is: 27,334.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,776.90 : 35,589.26 = 19,797.88 : x
  2. Step 2: Convert to fraction form
    25,776.90/35,589.26 = 19,797.88/x
  3. Step 3: Cross multiply
    25,776.90x = 35,589.26 × 19,797.88
  4. Step 4: Simplify right side
    25,776.90x = 704,591,898.77
  5. Step 5: Solve for x
    x = 704,591,898.77/25,776.90
  6. Step 6: Final answer
    x = 27,334.24

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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.