Home / 19,837.36-27,377.44-11,340.15

Finding the Fourth Proportional to 19,837.36, 27,377.44 and 11,340.15

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Solution

The fourth proportional to 19,837.36, 27,377.44 and 11,340.15 is: 15,650.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,837.36 : 27,377.44 = 11,340.15 : x
  2. Step 2: Convert to fraction form
    19,837.36/27,377.44 = 11,340.15/x
  3. Step 3: Cross multiply
    19,837.36x = 27,377.44 × 11,340.15
  4. Step 4: Simplify right side
    19,837.36x = 310,464,362.99
  5. Step 5: Solve for x
    x = 310,464,362.99/19,837.36
  6. Step 6: Final answer
    x = 15,650.49

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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.