Home / 19,947.38-27,527.22-10,994.72

Finding the Fourth Proportional to 19,947.38, 27,527.22 and 10,994.72

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Solution

The fourth proportional to 19,947.38, 27,527.22 and 10,994.72 is: 15,172.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,947.38 : 27,527.22 = 10,994.72 : x
  2. Step 2: Convert to fraction form
    19,947.38/27,527.22 = 10,994.72/x
  3. Step 3: Cross multiply
    19,947.38x = 27,527.22 × 10,994.72
  4. Step 4: Simplify right side
    19,947.38x = 302,653,938.64
  5. Step 5: Solve for x
    x = 302,653,938.64/19,947.38
  6. Step 6: Final answer
    x = 15,172.62

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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.