Home / 16,255.70-22,423.12-9,879.08

Finding the Fourth Proportional to 16,255.70, 22,423.12 and 9,879.08

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Solution

The fourth proportional to 16,255.70, 22,423.12 and 9,879.08 is: 13,627.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,255.70 : 22,423.12 = 9,879.08 : x
  2. Step 2: Convert to fraction form
    16,255.70/22,423.12 = 9,879.08/x
  3. Step 3: Cross multiply
    16,255.70x = 22,423.12 × 9,879.08
  4. Step 4: Simplify right side
    16,255.70x = 221,519,796.33
  5. Step 5: Solve for x
    x = 221,519,796.33/16,255.70
  6. Step 6: Final answer
    x = 13,627.21

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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.