Home / 17,727.44-26,543.16-12,167.12

Finding the Fourth Proportional to 17,727.44, 26,543.16 and 12,167.12

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Solution

The fourth proportional to 17,727.44, 26,543.16 and 12,167.12 is: 18,217.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,727.44 : 26,543.16 = 12,167.12 : x
  2. Step 2: Convert to fraction form
    17,727.44/26,543.16 = 12,167.12/x
  3. Step 3: Cross multiply
    17,727.44x = 26,543.16 × 12,167.12
  4. Step 4: Simplify right side
    17,727.44x = 322,953,812.90
  5. Step 5: Solve for x
    x = 322,953,812.90/17,727.44
  6. Step 6: Final answer
    x = 18,217.74

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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.