Home / 13,344.15-20,016.63-4,578.94

Finding the Fourth Proportional to 13,344.15, 20,016.63 and 4,578.94

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Solution

The fourth proportional to 13,344.15, 20,016.63 and 4,578.94 is: 6,868.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,344.15 : 20,016.63 = 4,578.94 : x
  2. Step 2: Convert to fraction form
    13,344.15/20,016.63 = 4,578.94/x
  3. Step 3: Cross multiply
    13,344.15x = 20,016.63 × 4,578.94
  4. Step 4: Simplify right side
    13,344.15x = 91,654,897.73
  5. Step 5: Solve for x
    x = 91,654,897.73/13,344.15
  6. Step 6: Final answer
    x = 6,868.55

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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.