Home / 13,322.96-19,962.56-4,553.09

Finding the Fourth Proportional to 13,322.96, 19,962.56 and 4,553.09

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Solution

The fourth proportional to 13,322.96, 19,962.56 and 4,553.09 is: 6,822.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,322.96 : 19,962.56 = 4,553.09 : x
  2. Step 2: Convert to fraction form
    13,322.96/19,962.56 = 4,553.09/x
  3. Step 3: Cross multiply
    13,322.96x = 19,962.56 × 4,553.09
  4. Step 4: Simplify right side
    13,322.96x = 90,891,243.88
  5. Step 5: Solve for x
    x = 90,891,243.88/13,322.96
  6. Step 6: Final answer
    x = 6,822.15

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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.