Home / 20,808.62-31,216.01-6,015.62

Finding the Fourth Proportional to 20,808.62, 31,216.01 and 6,015.62

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Solution

The fourth proportional to 20,808.62, 31,216.01 and 6,015.62 is: 9,024.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,808.62 : 31,216.01 = 6,015.62 : x
  2. Step 2: Convert to fraction form
    20,808.62/31,216.01 = 6,015.62/x
  3. Step 3: Cross multiply
    20,808.62x = 31,216.01 × 6,015.62
  4. Step 4: Simplify right side
    20,808.62x = 187,783,543.37
  5. Step 5: Solve for x
    x = 187,783,543.37/20,808.62
  6. Step 6: Final answer
    x = 9,024.31

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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.