Home / 16,870.10-25,305.15-5,183.30

Finding the Fourth Proportional to 16,870.10, 25,305.15 and 5,183.30

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Solution

The fourth proportional to 16,870.10, 25,305.15 and 5,183.30 is: 7,774.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,870.10 : 25,305.15 = 5,183.30 : x
  2. Step 2: Convert to fraction form
    16,870.10/25,305.15 = 5,183.30/x
  3. Step 3: Cross multiply
    16,870.10x = 25,305.15 × 5,183.30
  4. Step 4: Simplify right side
    16,870.10x = 131,164,184.00
  5. Step 5: Solve for x
    x = 131,164,184.00/16,870.10
  6. Step 6: Final answer
    x = 7,774.95

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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.