Home / 14,087.58-21,131.31-3,557.64

Finding the Fourth Proportional to 14,087.58, 21,131.31 and 3,557.64

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Solution

The fourth proportional to 14,087.58, 21,131.31 and 3,557.64 is: 5,336.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,087.58 : 21,131.31 = 3,557.64 : x
  2. Step 2: Convert to fraction form
    14,087.58/21,131.31 = 3,557.64/x
  3. Step 3: Cross multiply
    14,087.58x = 21,131.31 × 3,557.64
  4. Step 4: Simplify right side
    14,087.58x = 75,177,593.71
  5. Step 5: Solve for x
    x = 75,177,593.71/14,087.58
  6. Step 6: Final answer
    x = 5,336.44

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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.