Home / 20,544.74-28,353.06-11,588.97

Finding the Fourth Proportional to 20,544.74, 28,353.06 and 11,588.97

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Solution

The fourth proportional to 20,544.74, 28,353.06 and 11,588.97 is: 15,993.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,544.74 : 28,353.06 = 11,588.97 : x
  2. Step 2: Convert to fraction form
    20,544.74/28,353.06 = 11,588.97/x
  3. Step 3: Cross multiply
    20,544.74x = 28,353.06 × 11,588.97
  4. Step 4: Simplify right side
    20,544.74x = 328,582,761.75
  5. Step 5: Solve for x
    x = 328,582,761.75/20,544.74
  6. Step 6: Final answer
    x = 15,993.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.