Home / 17,178.96-25,767.18-5,489.04

Finding the Fourth Proportional to 17,178.96, 25,767.18 and 5,489.04

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Solution

The fourth proportional to 17,178.96, 25,767.18 and 5,489.04 is: 8,233.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,178.96 : 25,767.18 = 5,489.04 : x
  2. Step 2: Convert to fraction form
    17,178.96/25,767.18 = 5,489.04/x
  3. Step 3: Cross multiply
    17,178.96x = 25,767.18 × 5,489.04
  4. Step 4: Simplify right side
    17,178.96x = 141,437,081.71
  5. Step 5: Solve for x
    x = 141,437,081.71/17,178.96
  6. Step 6: Final answer
    x = 8,233.16

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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.