Home / 20,003.28-27,632.58-14,443.44

Finding the Fourth Proportional to 20,003.28, 27,632.58 and 14,443.44

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Solution

The fourth proportional to 20,003.28, 27,632.58 and 14,443.44 is: 19,952.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,003.28 : 27,632.58 = 14,443.44 : x
  2. Step 2: Convert to fraction form
    20,003.28/27,632.58 = 14,443.44/x
  3. Step 3: Cross multiply
    20,003.28x = 27,632.58 × 14,443.44
  4. Step 4: Simplify right side
    20,003.28x = 399,109,511.28
  5. Step 5: Solve for x
    x = 399,109,511.28/20,003.28
  6. Step 6: Final answer
    x = 19,952.20

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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.