Home / 20,856.35-31,287.57-6,063.34

Finding the Fourth Proportional to 20,856.35, 31,287.57 and 6,063.34

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Solution

The fourth proportional to 20,856.35, 31,287.57 and 6,063.34 is: 9,095.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,856.35 : 31,287.57 = 6,063.34 : x
  2. Step 2: Convert to fraction form
    20,856.35/31,287.57 = 6,063.34/x
  3. Step 3: Cross multiply
    20,856.35x = 31,287.57 × 6,063.34
  4. Step 4: Simplify right side
    20,856.35x = 189,707,174.68
  5. Step 5: Solve for x
    x = 189,707,174.68/20,856.35
  6. Step 6: Final answer
    x = 9,095.90

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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.