Home / 20,016.61-29,983.90-11,233.07

Finding the Fourth Proportional to 20,016.61, 29,983.90 and 11,233.07

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Solution

The fourth proportional to 20,016.61, 29,983.90 and 11,233.07 is: 16,826.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,016.61 : 29,983.90 = 11,233.07 : x
  2. Step 2: Convert to fraction form
    20,016.61/29,983.90 = 11,233.07/x
  3. Step 3: Cross multiply
    20,016.61x = 29,983.90 × 11,233.07
  4. Step 4: Simplify right side
    20,016.61x = 336,811,247.57
  5. Step 5: Solve for x
    x = 336,811,247.57/20,016.61
  6. Step 6: Final answer
    x = 16,826.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.