Home / 19,663.24-27,134.24-11,165.16

Finding the Fourth Proportional to 19,663.24, 27,134.24 and 11,165.16

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Solution

The fourth proportional to 19,663.24, 27,134.24 and 11,165.16 is: 15,407.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,663.24 : 27,134.24 = 11,165.16 : x
  2. Step 2: Convert to fraction form
    19,663.24/27,134.24 = 11,165.16/x
  3. Step 3: Cross multiply
    19,663.24x = 27,134.24 × 11,165.16
  4. Step 4: Simplify right side
    19,663.24x = 302,958,131.08
  5. Step 5: Solve for x
    x = 302,958,131.08/19,663.24
  6. Step 6: Final answer
    x = 15,407.34

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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.