Home / 21,183.60-29,233.40-11,752.16

Finding the Fourth Proportional to 21,183.60, 29,233.40 and 11,752.16

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Solution

The fourth proportional to 21,183.60, 29,233.40 and 11,752.16 is: 16,218.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,183.60 : 29,233.40 = 11,752.16 : x
  2. Step 2: Convert to fraction form
    21,183.60/29,233.40 = 11,752.16/x
  3. Step 3: Cross multiply
    21,183.60x = 29,233.40 × 11,752.16
  4. Step 4: Simplify right side
    21,183.60x = 343,555,594.14
  5. Step 5: Solve for x
    x = 343,555,594.14/21,183.60
  6. Step 6: Final answer
    x = 16,218.00

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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.