Home / 20,068.57-27,695.62-12,110.66

Finding the Fourth Proportional to 20,068.57, 27,695.62 and 12,110.66

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Solution

The fourth proportional to 20,068.57, 27,695.62 and 12,110.66 is: 16,713.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,068.57 : 27,695.62 = 12,110.66 : x
  2. Step 2: Convert to fraction form
    20,068.57/27,695.62 = 12,110.66/x
  3. Step 3: Cross multiply
    20,068.57x = 27,695.62 × 12,110.66
  4. Step 4: Simplify right side
    20,068.57x = 335,412,237.31
  5. Step 5: Solve for x
    x = 335,412,237.31/20,068.57
  6. Step 6: Final answer
    x = 16,713.31

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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.