Home / 15,177.42-20,944.31-8,463.33

Finding the Fourth Proportional to 15,177.42, 20,944.31 and 8,463.33

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Solution

The fourth proportional to 15,177.42, 20,944.31 and 8,463.33 is: 11,679.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,177.42 : 20,944.31 = 8,463.33 : x
  2. Step 2: Convert to fraction form
    15,177.42/20,944.31 = 8,463.33/x
  3. Step 3: Cross multiply
    15,177.42x = 20,944.31 × 8,463.33
  4. Step 4: Simplify right side
    15,177.42x = 177,258,564.84
  5. Step 5: Solve for x
    x = 177,258,564.84/15,177.42
  6. Step 6: Final answer
    x = 11,679.10

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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.