Home / 18,107.49-24,931.38-16,446.73

Finding the Fourth Proportional to 18,107.49, 24,931.38 and 16,446.73

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Solution

The fourth proportional to 18,107.49, 24,931.38 and 16,446.73 is: 22,644.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,107.49 : 24,931.38 = 16,446.73 : x
  2. Step 2: Convert to fraction form
    18,107.49/24,931.38 = 16,446.73/x
  3. Step 3: Cross multiply
    18,107.49x = 24,931.38 × 16,446.73
  4. Step 4: Simplify right side
    18,107.49x = 410,039,675.39
  5. Step 5: Solve for x
    x = 410,039,675.39/18,107.49
  6. Step 6: Final answer
    x = 22,644.76

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Double scale
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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.