Home / 18,737.40-27,969.41-16,372.76

Finding the Fourth Proportional to 18,737.40, 27,969.41 and 16,372.76

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Solution

The fourth proportional to 18,737.40, 27,969.41 and 16,372.76 is: 24,439.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,737.40 : 27,969.41 = 16,372.76 : x
  2. Step 2: Convert to fraction form
    18,737.40/27,969.41 = 16,372.76/x
  3. Step 3: Cross multiply
    18,737.40x = 27,969.41 × 16,372.76
  4. Step 4: Simplify right side
    18,737.40x = 457,936,437.27
  5. Step 5: Solve for x
    x = 457,936,437.27/18,737.40
  6. Step 6: Final answer
    x = 24,439.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.