Home / 16,679.55-24,990.53-8,770.31

Finding the Fourth Proportional to 16,679.55, 24,990.53 and 8,770.31

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Solution

The fourth proportional to 16,679.55, 24,990.53 and 8,770.31 is: 13,140.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,679.55 : 24,990.53 = 8,770.31 : x
  2. Step 2: Convert to fraction form
    16,679.55/24,990.53 = 8,770.31/x
  3. Step 3: Cross multiply
    16,679.55x = 24,990.53 × 8,770.31
  4. Step 4: Simplify right side
    16,679.55x = 219,174,620.07
  5. Step 5: Solve for x
    x = 219,174,620.07/16,679.55
  6. Step 6: Final answer
    x = 13,140.32

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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.