Home / 26,199.51-39,287.19-8,426.87

Finding the Fourth Proportional to 26,199.51, 39,287.19 and 8,426.87

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Solution

The fourth proportional to 26,199.51, 39,287.19 and 8,426.87 is: 12,636.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,199.51 : 39,287.19 = 8,426.87 : x
  2. Step 2: Convert to fraction form
    26,199.51/39,287.19 = 8,426.87/x
  3. Step 3: Cross multiply
    26,199.51x = 39,287.19 × 8,426.87
  4. Step 4: Simplify right side
    26,199.51x = 331,068,042.80
  5. Step 5: Solve for x
    x = 331,068,042.80/26,199.51
  6. Step 6: Final answer
    x = 12,636.42

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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.