Home / 12,016.35-18,029.99-5,001.55

Finding the Fourth Proportional to 12,016.35, 18,029.99 and 5,001.55

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Solution

The fourth proportional to 12,016.35, 18,029.99 and 5,001.55 is: 7,504.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,016.35 : 18,029.99 = 5,001.55 : x
  2. Step 2: Convert to fraction form
    12,016.35/18,029.99 = 5,001.55/x
  3. Step 3: Cross multiply
    12,016.35x = 18,029.99 × 5,001.55
  4. Step 4: Simplify right side
    12,016.35x = 90,177,863.91
  5. Step 5: Solve for x
    x = 90,177,863.91/12,016.35
  6. Step 6: Final answer
    x = 7,504.60

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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.