Home / 19,832.63-27,369.54-11,218.11

Finding the Fourth Proportional to 19,832.63, 27,369.54 and 11,218.11

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Solution

The fourth proportional to 19,832.63, 27,369.54 and 11,218.11 is: 15,481.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,832.63 : 27,369.54 = 11,218.11 : x
  2. Step 2: Convert to fraction form
    19,832.63/27,369.54 = 11,218.11/x
  3. Step 3: Cross multiply
    19,832.63x = 27,369.54 × 11,218.11
  4. Step 4: Simplify right side
    19,832.63x = 307,034,510.37
  5. Step 5: Solve for x
    x = 307,034,510.37/19,832.63
  6. Step 6: Final answer
    x = 15,481.28

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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.