Home / 16,436.40-22,682.39-15,180.70

Finding the Fourth Proportional to 16,436.40, 22,682.39 and 15,180.70

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Solution

The fourth proportional to 16,436.40, 22,682.39 and 15,180.70 is: 20,949.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,436.40 : 22,682.39 = 15,180.70 : x
  2. Step 2: Convert to fraction form
    16,436.40/22,682.39 = 15,180.70/x
  3. Step 3: Cross multiply
    16,436.40x = 22,682.39 × 15,180.70
  4. Step 4: Simplify right side
    16,436.40x = 344,334,557.87
  5. Step 5: Solve for x
    x = 344,334,557.87/16,436.40
  6. Step 6: Final answer
    x = 20,949.51

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Half scale
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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.