Home / 20,061.74-27,655.70-15,273.33

Finding the Fourth Proportional to 20,061.74, 27,655.70 and 15,273.33

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Solution

The fourth proportional to 20,061.74, 27,655.70 and 15,273.33 is: 21,054.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,061.74 : 27,655.70 = 15,273.33 : x
  2. Step 2: Convert to fraction form
    20,061.74/27,655.70 = 15,273.33/x
  3. Step 3: Cross multiply
    20,061.74x = 27,655.70 × 15,273.33
  4. Step 4: Simplify right side
    20,061.74x = 422,394,452.41
  5. Step 5: Solve for x
    x = 422,394,452.41/20,061.74
  6. Step 6: Final answer
    x = 21,054.72

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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.