Home / 20,011.68-27,616.41-11,628.18

Finding the Fourth Proportional to 20,011.68, 27,616.41 and 11,628.18

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Solution

The fourth proportional to 20,011.68, 27,616.41 and 11,628.18 is: 16,047.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,011.68 : 27,616.41 = 11,628.18 : x
  2. Step 2: Convert to fraction form
    20,011.68/27,616.41 = 11,628.18/x
  3. Step 3: Cross multiply
    20,011.68x = 27,616.41 × 11,628.18
  4. Step 4: Simplify right side
    20,011.68x = 321,128,586.43
  5. Step 5: Solve for x
    x = 321,128,586.43/20,011.68
  6. Step 6: Final answer
    x = 16,047.06

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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.