Home / 17,187.98-25,782.44-5,501.21

Finding the Fourth Proportional to 17,187.98, 25,782.44 and 5,501.21

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Solution

The fourth proportional to 17,187.98, 25,782.44 and 5,501.21 is: 8,251.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,187.98 : 25,782.44 = 5,501.21 : x
  2. Step 2: Convert to fraction form
    17,187.98/25,782.44 = 5,501.21/x
  3. Step 3: Cross multiply
    17,187.98x = 25,782.44 × 5,501.21
  4. Step 4: Simplify right side
    17,187.98x = 141,834,460.33
  5. Step 5: Solve for x
    x = 141,834,460.33/17,187.98
  6. Step 6: Final answer
    x = 8,251.96

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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.