Home / 19,989.68-27,584.16-11,606.72

Finding the Fourth Proportional to 19,989.68, 27,584.16 and 11,606.72

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Solution

The fourth proportional to 19,989.68, 27,584.16 and 11,606.72 is: 16,016.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,989.68 : 27,584.16 = 11,606.72 : x
  2. Step 2: Convert to fraction form
    19,989.68/27,584.16 = 11,606.72/x
  3. Step 3: Cross multiply
    19,989.68x = 27,584.16 × 11,606.72
  4. Step 4: Simplify right side
    19,989.68x = 320,161,621.56
  5. Step 5: Solve for x
    x = 320,161,621.56/19,989.68
  6. Step 6: Final answer
    x = 16,016.35

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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.