Home / 25,709.12-38,519.62-17,259.80

Finding the Fourth Proportional to 25,709.12, 38,519.62 and 17,259.80

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Solution

The fourth proportional to 25,709.12, 38,519.62 and 17,259.80 is: 25,860.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,709.12 : 38,519.62 = 17,259.80 : x
  2. Step 2: Convert to fraction form
    25,709.12/38,519.62 = 17,259.80/x
  3. Step 3: Cross multiply
    25,709.12x = 38,519.62 × 17,259.80
  4. Step 4: Simplify right side
    25,709.12x = 664,840,937.28
  5. Step 5: Solve for x
    x = 664,840,937.28/25,709.12
  6. Step 6: Final answer
    x = 25,860.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.