Home / 19,540.47-26,964.21-11,043.36

Finding the Fourth Proportional to 19,540.47, 26,964.21 and 11,043.36

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Solution

The fourth proportional to 19,540.47, 26,964.21 and 11,043.36 is: 15,238.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,540.47 : 26,964.21 = 11,043.36 : x
  2. Step 2: Convert to fraction form
    19,540.47/26,964.21 = 11,043.36/x
  3. Step 3: Cross multiply
    19,540.47x = 26,964.21 × 11,043.36
  4. Step 4: Simplify right side
    19,540.47x = 297,775,478.15
  5. Step 5: Solve for x
    x = 297,775,478.15/19,540.47
  6. Step 6: Final answer
    x = 15,238.91

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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.