Home / 19,947.92-27,528.20-10,995.23

Finding the Fourth Proportional to 19,947.92, 27,528.20 and 10,995.23

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Solution

The fourth proportional to 19,947.92, 27,528.20 and 10,995.23 is: 15,173.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,947.92 : 27,528.20 = 10,995.23 : x
  2. Step 2: Convert to fraction form
    19,947.92/27,528.20 = 10,995.23/x
  3. Step 3: Cross multiply
    19,947.92x = 27,528.20 × 10,995.23
  4. Step 4: Simplify right side
    19,947.92x = 302,678,697.87
  5. Step 5: Solve for x
    x = 302,678,697.87/19,947.92
  6. Step 6: Final answer
    x = 15,173.45

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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.