Home / 21,035.23-31,553.30-6,245.19

Finding the Fourth Proportional to 21,035.23, 31,553.30 and 6,245.19

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Solution

The fourth proportional to 21,035.23, 31,553.30 and 6,245.19 is: 9,367.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,035.23 : 31,553.30 = 6,245.19 : x
  2. Step 2: Convert to fraction form
    21,035.23/31,553.30 = 6,245.19/x
  3. Step 3: Cross multiply
    21,035.23x = 31,553.30 × 6,245.19
  4. Step 4: Simplify right side
    21,035.23x = 197,056,195.86
  5. Step 5: Solve for x
    x = 197,056,195.86/21,035.23
  6. Step 6: Final answer
    x = 9,367.91

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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.