Home / 26,867.72-40,297.08-7,146.56

Finding the Fourth Proportional to 26,867.72, 40,297.08 and 7,146.56

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Solution

The fourth proportional to 26,867.72, 40,297.08 and 7,146.56 is: 10,718.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,867.72 : 40,297.08 = 7,146.56 : x
  2. Step 2: Convert to fraction form
    26,867.72/40,297.08 = 7,146.56/x
  3. Step 3: Cross multiply
    26,867.72x = 40,297.08 × 7,146.56
  4. Step 4: Simplify right side
    26,867.72x = 287,985,500.04
  5. Step 5: Solve for x
    x = 287,985,500.04/26,867.72
  6. Step 6: Final answer
    x = 10,718.64

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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.