Home / 13,083.14-19,625.38-4,318.74

Finding the Fourth Proportional to 13,083.14, 19,625.38 and 4,318.74

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Solution

The fourth proportional to 13,083.14, 19,625.38 and 4,318.74 is: 6,478.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,083.14 : 19,625.38 = 4,318.74 : x
  2. Step 2: Convert to fraction form
    13,083.14/19,625.38 = 4,318.74/x
  3. Step 3: Cross multiply
    13,083.14x = 19,625.38 × 4,318.74
  4. Step 4: Simplify right side
    13,083.14x = 84,756,815.49
  5. Step 5: Solve for x
    x = 84,756,815.49/13,083.14
  6. Step 6: Final answer
    x = 6,478.33

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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.