Home / 20,016.80-27,623.16-12,059.36

Finding the Fourth Proportional to 20,016.80, 27,623.16 and 12,059.36

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Solution

The fourth proportional to 20,016.80, 27,623.16 and 12,059.36 is: 16,641.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,016.80 : 27,623.16 = 12,059.36 : x
  2. Step 2: Convert to fraction form
    20,016.80/27,623.16 = 12,059.36/x
  3. Step 3: Cross multiply
    20,016.80x = 27,623.16 × 12,059.36
  4. Step 4: Simplify right side
    20,016.80x = 333,117,630.78
  5. Step 5: Solve for x
    x = 333,117,630.78/20,016.80
  6. Step 6: Final answer
    x = 16,641.90

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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.