Home / 21,183.99-29,233.90-11,623.94

Finding the Fourth Proportional to 21,183.99, 29,233.90 and 11,623.94

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Solution

The fourth proportional to 21,183.99, 29,233.90 and 11,623.94 is: 16,041.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,183.99 : 29,233.90 = 11,623.94 : x
  2. Step 2: Convert to fraction form
    21,183.99/29,233.90 = 11,623.94/x
  3. Step 3: Cross multiply
    21,183.99x = 29,233.90 × 11,623.94
  4. Step 4: Simplify right side
    21,183.99x = 339,812,895.28
  5. Step 5: Solve for x
    x = 339,812,895.28/21,183.99
  6. Step 6: Final answer
    x = 16,041.02

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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.