Home / 19,664.16-27,137.19-11,166.66

Finding the Fourth Proportional to 19,664.16, 27,137.19 and 11,166.66

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Solution

The fourth proportional to 19,664.16, 27,137.19 and 11,166.66 is: 15,410.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,664.16 : 27,137.19 = 11,166.66 : x
  2. Step 2: Convert to fraction form
    19,664.16/27,137.19 = 11,166.66/x
  3. Step 3: Cross multiply
    19,664.16x = 27,137.19 × 11,166.66
  4. Step 4: Simplify right side
    19,664.16x = 303,031,774.09
  5. Step 5: Solve for x
    x = 303,031,774.09/19,664.16
  6. Step 6: Final answer
    x = 15,410.36

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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.