Home / 17,587.98-26,363.25-12,039.78

Finding the Fourth Proportional to 17,587.98, 26,363.25 and 12,039.78

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Solution

The fourth proportional to 17,587.98, 26,363.25 and 12,039.78 is: 18,046.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,587.98 : 26,363.25 = 12,039.78 : x
  2. Step 2: Convert to fraction form
    17,587.98/26,363.25 = 12,039.78/x
  3. Step 3: Cross multiply
    17,587.98x = 26,363.25 × 12,039.78
  4. Step 4: Simplify right side
    17,587.98x = 317,407,730.09
  5. Step 5: Solve for x
    x = 317,407,730.09/17,587.98
  6. Step 6: Final answer
    x = 18,046.86

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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.