Home / 26,778.18-40,152.42-12,001.26

Finding the Fourth Proportional to 26,778.18, 40,152.42 and 12,001.26

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Solution

The fourth proportional to 26,778.18, 40,152.42 and 12,001.26 is: 17,995.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,778.18 : 40,152.42 = 12,001.26 : x
  2. Step 2: Convert to fraction form
    26,778.18/40,152.42 = 12,001.26/x
  3. Step 3: Cross multiply
    26,778.18x = 40,152.42 × 12,001.26
  4. Step 4: Simplify right side
    26,778.18x = 481,879,632.05
  5. Step 5: Solve for x
    x = 481,879,632.05/26,778.18
  6. Step 6: Final answer
    x = 17,995.23

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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.