Home / 13,201.98-19,781.91-9,675.66

Finding the Fourth Proportional to 13,201.98, 19,781.91 and 9,675.66

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Solution

The fourth proportional to 13,201.98, 19,781.91 and 9,675.66 is: 14,498.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,201.98 : 19,781.91 = 9,675.66 : x
  2. Step 2: Convert to fraction form
    13,201.98/19,781.91 = 9,675.66/x
  3. Step 3: Cross multiply
    13,201.98x = 19,781.91 × 9,675.66
  4. Step 4: Simplify right side
    13,201.98x = 191,403,035.31
  5. Step 5: Solve for x
    x = 191,403,035.31/13,201.98
  6. Step 6: Final answer
    x = 14,498.06

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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.