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Finding the Fourth Proportional to 19,107.84, 26,311.68 and 17,713.92

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Solution

The fourth proportional to 19,107.84, 26,311.68 and 17,713.92 is: 24,392.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,107.84 : 26,311.68 = 17,713.92 : x
  2. Step 2: Convert to fraction form
    19,107.84/26,311.68 = 17,713.92/x
  3. Step 3: Cross multiply
    19,107.84x = 26,311.68 × 17,713.92
  4. Step 4: Simplify right side
    19,107.84x = 466,082,994.59
  5. Step 5: Solve for x
    x = 466,082,994.59/19,107.84
  6. Step 6: Final answer
    x = 24,392.24

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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.