Home / 16,821.70-25,232.55-9,823.30

Finding the Fourth Proportional to 16,821.70, 25,232.55 and 9,823.30

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Solution

The fourth proportional to 16,821.70, 25,232.55 and 9,823.30 is: 14,734.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,821.70 : 25,232.55 = 9,823.30 : x
  2. Step 2: Convert to fraction form
    16,821.70/25,232.55 = 9,823.30/x
  3. Step 3: Cross multiply
    16,821.70x = 25,232.55 × 9,823.30
  4. Step 4: Simplify right side
    16,821.70x = 247,866,908.42
  5. Step 5: Solve for x
    x = 247,866,908.42/16,821.70
  6. Step 6: Final answer
    x = 14,734.95

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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.