Home / 16,923.87-25,385.16-4,443.78

Finding the Fourth Proportional to 16,923.87, 25,385.16 and 4,443.78

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Solution

The fourth proportional to 16,923.87, 25,385.16 and 4,443.78 is: 6,665.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,923.87 : 25,385.16 = 4,443.78 : x
  2. Step 2: Convert to fraction form
    16,923.87/25,385.16 = 4,443.78/x
  3. Step 3: Cross multiply
    16,923.87x = 25,385.16 × 4,443.78
  4. Step 4: Simplify right side
    16,923.87x = 112,806,066.30
  5. Step 5: Solve for x
    x = 112,806,066.30/16,923.87
  6. Step 6: Final answer
    x = 6,665.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.