Home / 13,250.25-19,884.51-5,459.09

Finding the Fourth Proportional to 13,250.25, 19,884.51 and 5,459.09

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Solution

The fourth proportional to 13,250.25, 19,884.51 and 5,459.09 is: 8,192.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,250.25 : 19,884.51 = 5,459.09 : x
  2. Step 2: Convert to fraction form
    13,250.25/19,884.51 = 5,459.09/x
  3. Step 3: Cross multiply
    13,250.25x = 19,884.51 × 5,459.09
  4. Step 4: Simplify right side
    13,250.25x = 108,551,230.27
  5. Step 5: Solve for x
    x = 108,551,230.27/13,250.25
  6. Step 6: Final answer
    x = 8,192.39

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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.