Home / 19,947.50-27,527.18-10,872.97

Finding the Fourth Proportional to 19,947.50, 27,527.18 and 10,872.97

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Solution

The fourth proportional to 19,947.50, 27,527.18 and 10,872.97 is: 15,004.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,947.50 : 27,527.18 = 10,872.97 : x
  2. Step 2: Convert to fraction form
    19,947.50/27,527.18 = 10,872.97/x
  3. Step 3: Cross multiply
    19,947.50x = 27,527.18 × 10,872.97
  4. Step 4: Simplify right side
    19,947.50x = 299,302,079.14
  5. Step 5: Solve for x
    x = 299,302,079.14/19,947.50
  6. Step 6: Final answer
    x = 15,004.49

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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.