Home / 13,884.87-20,828.94-4,876.22

Finding the Fourth Proportional to 13,884.87, 20,828.94 and 4,876.22

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Solution

The fourth proportional to 13,884.87, 20,828.94 and 4,876.22 is: 7,314.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,884.87 : 20,828.94 = 4,876.22 : x
  2. Step 2: Convert to fraction form
    13,884.87/20,828.94 = 4,876.22/x
  3. Step 3: Cross multiply
    13,884.87x = 20,828.94 × 4,876.22
  4. Step 4: Simplify right side
    13,884.87x = 101,566,564.16
  5. Step 5: Solve for x
    x = 101,566,564.16/13,884.87
  6. Step 6: Final answer
    x = 7,314.91

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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.