Home / 13,662.18-20,490.96-3,802.44

Finding the Fourth Proportional to 13,662.18, 20,490.96 and 3,802.44

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Solution

The fourth proportional to 13,662.18, 20,490.96 and 3,802.44 is: 5,703.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,662.18 : 20,490.96 = 3,802.44 : x
  2. Step 2: Convert to fraction form
    13,662.18/20,490.96 = 3,802.44/x
  3. Step 3: Cross multiply
    13,662.18x = 20,490.96 × 3,802.44
  4. Step 4: Simplify right side
    13,662.18x = 77,915,645.94
  5. Step 5: Solve for x
    x = 77,915,645.94/13,662.18
  6. Step 6: Final answer
    x = 5,703.02

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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.