Home / 26,118.86-39,144.06-12,077.10

Finding the Fourth Proportional to 26,118.86, 39,144.06 and 12,077.10

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Solution

The fourth proportional to 26,118.86, 39,144.06 and 12,077.10 is: 18,099.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,118.86 : 39,144.06 = 12,077.10 : x
  2. Step 2: Convert to fraction form
    26,118.86/39,144.06 = 12,077.10/x
  3. Step 3: Cross multiply
    26,118.86x = 39,144.06 × 12,077.10
  4. Step 4: Simplify right side
    26,118.86x = 472,746,727.03
  5. Step 5: Solve for x
    x = 472,746,727.03/26,118.86
  6. Step 6: Final answer
    x = 18,099.83

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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.