Home / 26,391.68-39,586.56-7,923.20

Finding the Fourth Proportional to 26,391.68, 39,586.56 and 7,923.20

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Solution

The fourth proportional to 26,391.68, 39,586.56 and 7,923.20 is: 11,884.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,391.68 : 39,586.56 = 7,923.20 : x
  2. Step 2: Convert to fraction form
    26,391.68/39,586.56 = 7,923.20/x
  3. Step 3: Cross multiply
    26,391.68x = 39,586.56 × 7,923.20
  4. Step 4: Simplify right side
    26,391.68x = 313,652,232.19
  5. Step 5: Solve for x
    x = 313,652,232.19/26,391.68
  6. Step 6: Final answer
    x = 11,884.51

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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.