Home / 15,923.96-21,954.40-10,248.56

Finding the Fourth Proportional to 15,923.96, 21,954.40 and 10,248.56

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Solution

The fourth proportional to 15,923.96, 21,954.40 and 10,248.56 is: 14,129.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,923.96 : 21,954.40 = 10,248.56 : x
  2. Step 2: Convert to fraction form
    15,923.96/21,954.40 = 10,248.56/x
  3. Step 3: Cross multiply
    15,923.96x = 21,954.40 × 10,248.56
  4. Step 4: Simplify right side
    15,923.96x = 225,000,850.27
  5. Step 5: Solve for x
    x = 225,000,850.27/15,923.96
  6. Step 6: Final answer
    x = 14,129.71

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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.