Home / 15,625.26-21,562.73-8,551.66

Finding the Fourth Proportional to 15,625.26, 21,562.73 and 8,551.66

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Solution

The fourth proportional to 15,625.26, 21,562.73 and 8,551.66 is: 11,801.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,625.26 : 21,562.73 = 8,551.66 : x
  2. Step 2: Convert to fraction form
    15,625.26/21,562.73 = 8,551.66/x
  3. Step 3: Cross multiply
    15,625.26x = 21,562.73 × 8,551.66
  4. Step 4: Simplify right side
    15,625.26x = 184,397,092.87
  5. Step 5: Solve for x
    x = 184,397,092.87/15,625.26
  6. Step 6: Final answer
    x = 11,801.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.