Home / 18,308.20-25,263.66-10,351.12

Finding the Fourth Proportional to 18,308.20, 25,263.66 and 10,351.12

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Solution

The fourth proportional to 18,308.20, 25,263.66 and 10,351.12 is: 14,283.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,308.20 : 25,263.66 = 10,351.12 : x
  2. Step 2: Convert to fraction form
    18,308.20/25,263.66 = 10,351.12/x
  3. Step 3: Cross multiply
    18,308.20x = 25,263.66 × 10,351.12
  4. Step 4: Simplify right side
    18,308.20x = 261,507,176.30
  5. Step 5: Solve for x
    x = 261,507,176.30/18,308.20
  6. Step 6: Final answer
    x = 14,283.61

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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.