Home / 16,811.10-25,216.65-9,783.90

Finding the Fourth Proportional to 16,811.10, 25,216.65 and 9,783.90

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Solution

The fourth proportional to 16,811.10, 25,216.65 and 9,783.90 is: 14,675.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,811.10 : 25,216.65 = 9,783.90 : x
  2. Step 2: Convert to fraction form
    16,811.10/25,216.65 = 9,783.90/x
  3. Step 3: Cross multiply
    16,811.10x = 25,216.65 × 9,783.90
  4. Step 4: Simplify right side
    16,811.10x = 246,717,181.94
  5. Step 5: Solve for x
    x = 246,717,181.94/16,811.10
  6. Step 6: Final answer
    x = 14,675.85

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Similar ratio
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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.