Home / 18,297.15-27,439.56-7,200.93

Finding the Fourth Proportional to 18,297.15, 27,439.56 and 7,200.93

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Solution

The fourth proportional to 18,297.15, 27,439.56 and 7,200.93 is: 10,798.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,297.15 : 27,439.56 = 7,200.93 : x
  2. Step 2: Convert to fraction form
    18,297.15/27,439.56 = 7,200.93/x
  3. Step 3: Cross multiply
    18,297.15x = 27,439.56 × 7,200.93
  4. Step 4: Simplify right side
    18,297.15x = 197,590,350.79
  5. Step 5: Solve for x
    x = 197,590,350.79/18,297.15
  6. Step 6: Final answer
    x = 10,798.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.