Home / 18,397.20-25,222.48-18,065.60

Finding the Fourth Proportional to 18,397.20, 25,222.48 and 18,065.60

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Solution

The fourth proportional to 18,397.20, 25,222.48 and 18,065.60 is: 24,767.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,397.20 : 25,222.48 = 18,065.60 : x
  2. Step 2: Convert to fraction form
    18,397.20/25,222.48 = 18,065.60/x
  3. Step 3: Cross multiply
    18,397.20x = 25,222.48 × 18,065.60
  4. Step 4: Simplify right side
    18,397.20x = 455,659,234.69
  5. Step 5: Solve for x
    x = 455,659,234.69/18,397.20
  6. Step 6: Final answer
    x = 24,767.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.