Home / 25,727.88-35,493.24-15,112.74

Finding the Fourth Proportional to 25,727.88, 35,493.24 and 15,112.74

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Solution

The fourth proportional to 25,727.88, 35,493.24 and 15,112.74 is: 20,848.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,727.88 : 35,493.24 = 15,112.74 : x
  2. Step 2: Convert to fraction form
    25,727.88/35,493.24 = 15,112.74/x
  3. Step 3: Cross multiply
    25,727.88x = 35,493.24 × 15,112.74
  4. Step 4: Simplify right side
    25,727.88x = 536,400,107.88
  5. Step 5: Solve for x
    x = 536,400,107.88/25,727.88
  6. Step 6: Final answer
    x = 20,848.98

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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.