Home / 16,229.04-22,399.28-9,155.60

Finding the Fourth Proportional to 16,229.04, 22,399.28 and 9,155.60

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Solution

The fourth proportional to 16,229.04, 22,399.28 and 9,155.60 is: 12,636.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,229.04 : 22,399.28 = 9,155.60 : x
  2. Step 2: Convert to fraction form
    16,229.04/22,399.28 = 9,155.60/x
  3. Step 3: Cross multiply
    16,229.04x = 22,399.28 × 9,155.60
  4. Step 4: Simplify right side
    16,229.04x = 205,078,847.97
  5. Step 5: Solve for x
    x = 205,078,847.97/16,229.04
  6. Step 6: Final answer
    x = 12,636.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.