Home / 14,115.48-21,181.42-6,324.29

Finding the Fourth Proportional to 14,115.48, 21,181.42 and 6,324.29

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Solution

The fourth proportional to 14,115.48, 21,181.42 and 6,324.29 is: 9,490.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,115.48 : 21,181.42 = 6,324.29 : x
  2. Step 2: Convert to fraction form
    14,115.48/21,181.42 = 6,324.29/x
  3. Step 3: Cross multiply
    14,115.48x = 21,181.42 × 6,324.29
  4. Step 4: Simplify right side
    14,115.48x = 133,957,479.83
  5. Step 5: Solve for x
    x = 133,957,479.83/14,115.48
  6. Step 6: Final answer
    x = 9,490.11

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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.