Home / 22,382.82-30,889.80-14,816.07

Finding the Fourth Proportional to 22,382.82, 30,889.80 and 14,816.07

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Solution

The fourth proportional to 22,382.82, 30,889.80 and 14,816.07 is: 20,447.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,382.82 : 30,889.80 = 14,816.07 : x
  2. Step 2: Convert to fraction form
    22,382.82/30,889.80 = 14,816.07/x
  3. Step 3: Cross multiply
    22,382.82x = 30,889.80 × 14,816.07
  4. Step 4: Simplify right side
    22,382.82x = 457,665,439.09
  5. Step 5: Solve for x
    x = 457,665,439.09/22,382.82
  6. Step 6: Final answer
    x = 20,447.18

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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.