Home / 26,850.35-40,272.42-7,130.45

Finding the Fourth Proportional to 26,850.35, 40,272.42 and 7,130.45

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Solution

The fourth proportional to 26,850.35, 40,272.42 and 7,130.45 is: 10,694.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,850.35 : 40,272.42 = 7,130.45 : x
  2. Step 2: Convert to fraction form
    26,850.35/40,272.42 = 7,130.45/x
  3. Step 3: Cross multiply
    26,850.35x = 40,272.42 × 7,130.45
  4. Step 4: Simplify right side
    26,850.35x = 287,160,275.83
  5. Step 5: Solve for x
    x = 287,160,275.83/26,850.35
  6. Step 6: Final answer
    x = 10,694.84

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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.