Home / 22,935.76-31,651.49-13,382.28

Finding the Fourth Proportional to 22,935.76, 31,651.49 and 13,382.28

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Solution

The fourth proportional to 22,935.76, 31,651.49 and 13,382.28 is: 18,467.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,935.76 : 31,651.49 = 13,382.28 : x
  2. Step 2: Convert to fraction form
    22,935.76/31,651.49 = 13,382.28/x
  3. Step 3: Cross multiply
    22,935.76x = 31,651.49 × 13,382.28
  4. Step 4: Simplify right side
    22,935.76x = 423,569,135.05
  5. Step 5: Solve for x
    x = 423,569,135.05/22,935.76
  6. Step 6: Final answer
    x = 18,467.63

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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.