Home / 16,280.77-24,421.16-5,190.86

Finding the Fourth Proportional to 16,280.77, 24,421.16 and 5,190.86

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Solution

The fourth proportional to 16,280.77, 24,421.16 and 5,190.86 is: 7,786.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,280.77 : 24,421.16 = 5,190.86 : x
  2. Step 2: Convert to fraction form
    16,280.77/24,421.16 = 5,190.86/x
  3. Step 3: Cross multiply
    16,280.77x = 24,421.16 × 5,190.86
  4. Step 4: Simplify right side
    16,280.77x = 126,766,822.60
  5. Step 5: Solve for x
    x = 126,766,822.60/16,280.77
  6. Step 6: Final answer
    x = 7,786.29

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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.