Home / 20,204.57-27,882.58-11,252.30

Finding the Fourth Proportional to 20,204.57, 27,882.58 and 11,252.30

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Solution

The fourth proportional to 20,204.57, 27,882.58 and 11,252.30 is: 15,528.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,204.57 : 27,882.58 = 11,252.30 : x
  2. Step 2: Convert to fraction form
    20,204.57/27,882.58 = 11,252.30/x
  3. Step 3: Cross multiply
    20,204.57x = 27,882.58 × 11,252.30
  4. Step 4: Simplify right side
    20,204.57x = 313,742,987.39
  5. Step 5: Solve for x
    x = 313,742,987.39/20,204.57
  6. Step 6: Final answer
    x = 15,528.32

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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.