Home / 18,493.25-25,520.69-9,995.34

Finding the Fourth Proportional to 18,493.25, 25,520.69 and 9,995.34

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Solution

The fourth proportional to 18,493.25, 25,520.69 and 9,995.34 is: 13,793.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,493.25 : 25,520.69 = 9,995.34 : x
  2. Step 2: Convert to fraction form
    18,493.25/25,520.69 = 9,995.34/x
  3. Step 3: Cross multiply
    18,493.25x = 25,520.69 × 9,995.34
  4. Step 4: Simplify right side
    18,493.25x = 255,087,923.61
  5. Step 5: Solve for x
    x = 255,087,923.61/18,493.25
  6. Step 6: Final answer
    x = 13,793.57

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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.