Home / 12,101.75-18,135.60-9,625.58

Finding the Fourth Proportional to 12,101.75, 18,135.60 and 9,625.58

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Solution

The fourth proportional to 12,101.75, 18,135.60 and 9,625.58 is: 14,424.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,101.75 : 18,135.60 = 9,625.58 : x
  2. Step 2: Convert to fraction form
    12,101.75/18,135.60 = 9,625.58/x
  3. Step 3: Cross multiply
    12,101.75x = 18,135.60 × 9,625.58
  4. Step 4: Simplify right side
    12,101.75x = 174,565,668.65
  5. Step 5: Solve for x
    x = 174,565,668.65/12,101.75
  6. Step 6: Final answer
    x = 14,424.83

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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.