Home / 20,047.80-27,665.82-11,095.32

Finding the Fourth Proportional to 20,047.80, 27,665.82 and 11,095.32

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Solution

The fourth proportional to 20,047.80, 27,665.82 and 11,095.32 is: 15,311.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,047.80 : 27,665.82 = 11,095.32 : x
  2. Step 2: Convert to fraction form
    20,047.80/27,665.82 = 11,095.32/x
  3. Step 3: Cross multiply
    20,047.80x = 27,665.82 × 11,095.32
  4. Step 4: Simplify right side
    20,047.80x = 306,961,125.96
  5. Step 5: Solve for x
    x = 306,961,125.96/20,047.80
  6. Step 6: Final answer
    x = 15,311.46

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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.