Home / 20,003.09-27,603.24-11,048.86

Finding the Fourth Proportional to 20,003.09, 27,603.24 and 11,048.86

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Solution

The fourth proportional to 20,003.09, 27,603.24 and 11,048.86 is: 15,246.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,003.09 : 27,603.24 = 11,048.86 : x
  2. Step 2: Convert to fraction form
    20,003.09/27,603.24 = 11,048.86/x
  3. Step 3: Cross multiply
    20,003.09x = 27,603.24 × 11,048.86
  4. Step 4: Simplify right side
    20,003.09x = 304,984,334.31
  5. Step 5: Solve for x
    x = 304,984,334.31/20,003.09
  6. Step 6: Final answer
    x = 15,246.86

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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.