Home / 20,199.01-27,871.30-11,246.29

Finding the Fourth Proportional to 20,199.01, 27,871.30 and 11,246.29

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Solution

The fourth proportional to 20,199.01, 27,871.30 and 11,246.29 is: 15,518.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,199.01 : 27,871.30 = 11,246.29 : x
  2. Step 2: Convert to fraction form
    20,199.01/27,871.30 = 11,246.29/x
  3. Step 3: Cross multiply
    20,199.01x = 27,871.30 × 11,246.29
  4. Step 4: Simplify right side
    20,199.01x = 313,448,722.48
  5. Step 5: Solve for x
    x = 313,448,722.48/20,199.01
  6. Step 6: Final answer
    x = 15,518.02

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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.