Home / 20,095.10-27,732.80-11,144.35

Finding the Fourth Proportional to 20,095.10, 27,732.80 and 11,144.35

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Solution

The fourth proportional to 20,095.10, 27,732.80 and 11,144.35 is: 15,380.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,095.10 : 27,732.80 = 11,144.35 : x
  2. Step 2: Convert to fraction form
    20,095.10/27,732.80 = 11,144.35/x
  3. Step 3: Cross multiply
    20,095.10x = 27,732.80 × 11,144.35
  4. Step 4: Simplify right side
    20,095.10x = 309,063,835.29
  5. Step 5: Solve for x
    x = 309,063,835.29/20,095.10
  6. Step 6: Final answer
    x = 15,380.06

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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.