Home / 19,947.75-27,527.85-10,995.18

Finding the Fourth Proportional to 19,947.75, 27,527.85 and 10,995.18

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Solution

The fourth proportional to 19,947.75, 27,527.85 and 10,995.18 is: 15,173.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,947.75 : 27,527.85 = 10,995.18 : x
  2. Step 2: Convert to fraction form
    19,947.75/27,527.85 = 10,995.18/x
  3. Step 3: Cross multiply
    19,947.75x = 27,527.85 × 10,995.18
  4. Step 4: Simplify right side
    19,947.75x = 302,673,665.76
  5. Step 5: Solve for x
    x = 302,673,665.76/19,947.75
  6. Step 6: Final answer
    x = 15,173.32

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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.