Home / 26,186.04-39,288.96-12,152.79

Finding the Fourth Proportional to 26,186.04, 39,288.96 and 12,152.79

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Solution

The fourth proportional to 26,186.04, 39,288.96 and 12,152.79 is: 18,233.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,186.04 : 39,288.96 = 12,152.79 : x
  2. Step 2: Convert to fraction form
    26,186.04/39,288.96 = 12,152.79/x
  3. Step 3: Cross multiply
    26,186.04x = 39,288.96 × 12,152.79
  4. Step 4: Simplify right side
    26,186.04x = 477,470,480.20
  5. Step 5: Solve for x
    x = 477,470,480.20/26,186.04
  6. Step 6: Final answer
    x = 18,233.78

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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.