Home / 16,511.85-24,771.42-8,718.84

Finding the Fourth Proportional to 16,511.85, 24,771.42 and 8,718.84

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Solution

The fourth proportional to 16,511.85, 24,771.42 and 8,718.84 is: 13,080.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,511.85 : 24,771.42 = 8,718.84 : x
  2. Step 2: Convert to fraction form
    16,511.85/24,771.42 = 8,718.84/x
  3. Step 3: Cross multiply
    16,511.85x = 24,771.42 × 8,718.84
  4. Step 4: Simplify right side
    16,511.85x = 215,978,047.55
  5. Step 5: Solve for x
    x = 215,978,047.55/16,511.85
  6. Step 6: Final answer
    x = 13,080.18

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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.