Home / 25,759.58-38,656.70-9,119.56

Finding the Fourth Proportional to 25,759.58, 38,656.70 and 9,119.56

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Solution

The fourth proportional to 25,759.58, 38,656.70 and 9,119.56 is: 13,685.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,759.58 : 38,656.70 = 9,119.56 : x
  2. Step 2: Convert to fraction form
    25,759.58/38,656.70 = 9,119.56/x
  3. Step 3: Cross multiply
    25,759.58x = 38,656.70 × 9,119.56
  4. Step 4: Simplify right side
    25,759.58x = 352,532,095.05
  5. Step 5: Solve for x
    x = 352,532,095.05/25,759.58
  6. Step 6: Final answer
    x = 13,685.48

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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.