Home / 19,836.36-27,374.17-11,338.66

Finding the Fourth Proportional to 19,836.36, 27,374.17 and 11,338.66

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Solution

The fourth proportional to 19,836.36, 27,374.17 and 11,338.66 is: 15,647.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,836.36 : 27,374.17 = 11,338.66 : x
  2. Step 2: Convert to fraction form
    19,836.36/27,374.17 = 11,338.66/x
  3. Step 3: Cross multiply
    19,836.36x = 27,374.17 × 11,338.66
  4. Step 4: Simplify right side
    19,836.36x = 310,386,309.63
  5. Step 5: Solve for x
    x = 310,386,309.63/19,836.36
  6. Step 6: Final answer
    x = 15,647.34

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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.