Home / 19,947.54-27,527.79-10,995.39

Finding the Fourth Proportional to 19,947.54, 27,527.79 and 10,995.39

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Solution

The fourth proportional to 19,947.54, 27,527.79 and 10,995.39 is: 15,173.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,947.54 : 27,527.79 = 10,995.39 : x
  2. Step 2: Convert to fraction form
    19,947.54/27,527.79 = 10,995.39/x
  3. Step 3: Cross multiply
    19,947.54x = 27,527.79 × 10,995.39
  4. Step 4: Simplify right side
    19,947.54x = 302,678,786.89
  5. Step 5: Solve for x
    x = 302,678,786.89/19,947.54
  6. Step 6: Final answer
    x = 15,173.74

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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.