Home / 19,837.76-27,377.61-11,340.22

Finding the Fourth Proportional to 19,837.76, 27,377.61 and 11,340.22

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Solution

The fourth proportional to 19,837.76, 27,377.61 and 11,340.22 is: 15,650.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,837.76 : 27,377.61 = 11,340.22 : x
  2. Step 2: Convert to fraction form
    19,837.76/27,377.61 = 11,340.22/x
  3. Step 3: Cross multiply
    19,837.76x = 27,377.61 × 11,340.22
  4. Step 4: Simplify right side
    19,837.76x = 310,468,120.47
  5. Step 5: Solve for x
    x = 310,468,120.47/19,837.76
  6. Step 6: Final answer
    x = 15,650.36

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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.