Home / 18,478.96-27,705.78-6,632.47

Finding the Fourth Proportional to 18,478.96, 27,705.78 and 6,632.47

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Solution

The fourth proportional to 18,478.96, 27,705.78 and 6,632.47 is: 9,944.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,478.96 : 27,705.78 = 6,632.47 : x
  2. Step 2: Convert to fraction form
    18,478.96/27,705.78 = 6,632.47/x
  3. Step 3: Cross multiply
    18,478.96x = 27,705.78 × 6,632.47
  4. Step 4: Simplify right side
    18,478.96x = 183,757,754.68
  5. Step 5: Solve for x
    x = 183,757,754.68/18,478.96
  6. Step 6: Final answer
    x = 9,944.16

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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.