Home / 22,022.66-30,382.62-12,586.16

Finding the Fourth Proportional to 22,022.66, 30,382.62 and 12,586.16

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Solution

The fourth proportional to 22,022.66, 30,382.62 and 12,586.16 is: 17,363.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,022.66 : 30,382.62 = 12,586.16 : x
  2. Step 2: Convert to fraction form
    22,022.66/30,382.62 = 12,586.16/x
  3. Step 3: Cross multiply
    22,022.66x = 30,382.62 × 12,586.16
  4. Step 4: Simplify right side
    22,022.66x = 382,400,516.54
  5. Step 5: Solve for x
    x = 382,400,516.54/22,022.66
  6. Step 6: Final answer
    x = 17,363.96

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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.