Home / 18,847.94-28,107.12-16,518.74

Finding the Fourth Proportional to 18,847.94, 28,107.12 and 16,518.74

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Solution

The fourth proportional to 18,847.94, 28,107.12 and 16,518.74 is: 24,633.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,847.94 : 28,107.12 = 16,518.74 : x
  2. Step 2: Convert to fraction form
    18,847.94/28,107.12 = 16,518.74/x
  3. Step 3: Cross multiply
    18,847.94x = 28,107.12 × 16,518.74
  4. Step 4: Simplify right side
    18,847.94x = 464,294,124.84
  5. Step 5: Solve for x
    x = 464,294,124.84/18,847.94
  6. Step 6: Final answer
    x = 24,633.68

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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.