Home / 26,715.36-40,074.06-7,995.66

Finding the Fourth Proportional to 26,715.36, 40,074.06 and 7,995.66

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Solution

The fourth proportional to 26,715.36, 40,074.06 and 7,995.66 is: 11,993.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,715.36 : 40,074.06 = 7,995.66 : x
  2. Step 2: Convert to fraction form
    26,715.36/40,074.06 = 7,995.66/x
  3. Step 3: Cross multiply
    26,715.36x = 40,074.06 × 7,995.66
  4. Step 4: Simplify right side
    26,715.36x = 320,418,558.58
  5. Step 5: Solve for x
    x = 320,418,558.58/26,715.36
  6. Step 6: Final answer
    x = 11,993.80

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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.