Home / 19,995.90-27,594.18-11,043.33

Finding the Fourth Proportional to 19,995.90, 27,594.18 and 11,043.33

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Solution

The fourth proportional to 19,995.90, 27,594.18 and 11,043.33 is: 15,239.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,995.90 : 27,594.18 = 11,043.33 : x
  2. Step 2: Convert to fraction form
    19,995.90/27,594.18 = 11,043.33/x
  3. Step 3: Cross multiply
    19,995.90x = 27,594.18 × 11,043.33
  4. Step 4: Simplify right side
    19,995.90x = 304,731,635.82
  5. Step 5: Solve for x
    x = 304,731,635.82/19,995.90
  6. Step 6: Final answer
    x = 15,239.71

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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.