Home / 18,235.20-25,164.57-9,851.70

Finding the Fourth Proportional to 18,235.20, 25,164.57 and 9,851.70

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Solution

The fourth proportional to 18,235.20, 25,164.57 and 9,851.70 is: 13,595.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,235.20 : 25,164.57 = 9,851.70 : x
  2. Step 2: Convert to fraction form
    18,235.20/25,164.57 = 9,851.70/x
  3. Step 3: Cross multiply
    18,235.20x = 25,164.57 × 9,851.70
  4. Step 4: Simplify right side
    18,235.20x = 247,913,794.27
  5. Step 5: Solve for x
    x = 247,913,794.27/18,235.20
  6. Step 6: Final answer
    x = 13,595.34

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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.