Home / 18,397.06-27,600.24-5,249.48

Finding the Fourth Proportional to 18,397.06, 27,600.24 and 5,249.48

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Solution

The fourth proportional to 18,397.06, 27,600.24 and 5,249.48 is: 7,875.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,397.06 : 27,600.24 = 5,249.48 : x
  2. Step 2: Convert to fraction form
    18,397.06/27,600.24 = 5,249.48/x
  3. Step 3: Cross multiply
    18,397.06x = 27,600.24 × 5,249.48
  4. Step 4: Simplify right side
    18,397.06x = 144,886,769.87
  5. Step 5: Solve for x
    x = 144,886,769.87/18,397.06
  6. Step 6: Final answer
    x = 7,875.54

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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.