Home / 26,778.60-40,168.32-10,146.42

Finding the Fourth Proportional to 26,778.60, 40,168.32 and 10,146.42

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Solution

The fourth proportional to 26,778.60, 40,168.32 and 10,146.42 is: 15,219.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,778.60 : 40,168.32 = 10,146.42 : x
  2. Step 2: Convert to fraction form
    26,778.60/40,168.32 = 10,146.42/x
  3. Step 3: Cross multiply
    26,778.60x = 40,168.32 × 10,146.42
  4. Step 4: Simplify right side
    26,778.60x = 407,564,645.41
  5. Step 5: Solve for x
    x = 407,564,645.41/26,778.60
  6. Step 6: Final answer
    x = 15,219.79

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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.