Home / 20,243.17-27,935.62-11,291.24

Finding the Fourth Proportional to 20,243.17, 27,935.62 and 11,291.24

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Solution

The fourth proportional to 20,243.17, 27,935.62 and 11,291.24 is: 15,581.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,243.17 : 27,935.62 = 11,291.24 : x
  2. Step 2: Convert to fraction form
    20,243.17/27,935.62 = 11,291.24/x
  3. Step 3: Cross multiply
    20,243.17x = 27,935.62 × 11,291.24
  4. Step 4: Simplify right side
    20,243.17x = 315,427,831.58
  5. Step 5: Solve for x
    x = 315,427,831.58/20,243.17
  6. Step 6: Final answer
    x = 15,581.94

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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.