Home / 16,183.06-22,332.78-9,108.12

Finding the Fourth Proportional to 16,183.06, 22,332.78 and 9,108.12

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Solution

The fourth proportional to 16,183.06, 22,332.78 and 9,108.12 is: 12,569.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,183.06 : 22,332.78 = 9,108.12 : x
  2. Step 2: Convert to fraction form
    16,183.06/22,332.78 = 9,108.12/x
  3. Step 3: Cross multiply
    16,183.06x = 22,332.78 × 9,108.12
  4. Step 4: Simplify right side
    16,183.06x = 203,409,528.51
  5. Step 5: Solve for x
    x = 203,409,528.51/16,183.06
  6. Step 6: Final answer
    x = 12,569.29

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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.