Home / 19,995.78-27,592.83-11,043.30

Finding the Fourth Proportional to 19,995.78, 27,592.83 and 11,043.30

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Solution

The fourth proportional to 19,995.78, 27,592.83 and 11,043.30 is: 15,239.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,995.78 : 27,592.83 = 11,043.30 : x
  2. Step 2: Convert to fraction form
    19,995.78/27,592.83 = 11,043.30/x
  3. Step 3: Cross multiply
    19,995.78x = 27,592.83 × 11,043.30
  4. Step 4: Simplify right side
    19,995.78x = 304,715,899.54
  5. Step 5: Solve for x
    x = 304,715,899.54/19,995.78
  6. Step 6: Final answer
    x = 15,239.01

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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.