Home / 14,550.80-21,789.12-9,605.35

Finding the Fourth Proportional to 14,550.80, 21,789.12 and 9,605.35

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Solution

The fourth proportional to 14,550.80, 21,789.12 and 9,605.35 is: 14,383.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,550.80 : 21,789.12 = 9,605.35 : x
  2. Step 2: Convert to fraction form
    14,550.80/21,789.12 = 9,605.35/x
  3. Step 3: Cross multiply
    14,550.80x = 21,789.12 × 9,605.35
  4. Step 4: Simplify right side
    14,550.80x = 209,292,014.85
  5. Step 5: Solve for x
    x = 209,292,014.85/14,550.80
  6. Step 6: Final answer
    x = 14,383.54

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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.