Home / 19,414.40-26,816.64-16,286.72

Finding the Fourth Proportional to 19,414.40, 26,816.64 and 16,286.72

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Solution

The fourth proportional to 19,414.40, 26,816.64 and 16,286.72 is: 22,496.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,414.40 : 26,816.64 = 16,286.72 : x
  2. Step 2: Convert to fraction form
    19,414.40/26,816.64 = 16,286.72/x
  3. Step 3: Cross multiply
    19,414.40x = 26,816.64 × 16,286.72
  4. Step 4: Simplify right side
    19,414.40x = 436,755,107.02
  5. Step 5: Solve for x
    x = 436,755,107.02/19,414.40
  6. Step 6: Final answer
    x = 22,496.45

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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.