Home / 14,091.36-21,137.04-4,857.36

Finding the Fourth Proportional to 14,091.36, 21,137.04 and 4,857.36

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Solution

The fourth proportional to 14,091.36, 21,137.04 and 4,857.36 is: 7,286.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,091.36 : 21,137.04 = 4,857.36 : x
  2. Step 2: Convert to fraction form
    14,091.36/21,137.04 = 4,857.36/x
  3. Step 3: Cross multiply
    14,091.36x = 21,137.04 × 4,857.36
  4. Step 4: Simplify right side
    14,091.36x = 102,670,212.61
  5. Step 5: Solve for x
    x = 102,670,212.61/14,091.36
  6. Step 6: Final answer
    x = 7,286.04

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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.