Home / 25,550.79-35,261.11-14,220.77

Finding the Fourth Proportional to 25,550.79, 35,261.11 and 14,220.77

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Solution

The fourth proportional to 25,550.79, 35,261.11 and 14,220.77 is: 19,625.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,550.79 : 35,261.11 = 14,220.77 : x
  2. Step 2: Convert to fraction form
    25,550.79/35,261.11 = 14,220.77/x
  3. Step 3: Cross multiply
    25,550.79x = 35,261.11 × 14,220.77
  4. Step 4: Simplify right side
    25,550.79x = 501,439,976.73
  5. Step 5: Solve for x
    x = 501,439,976.73/25,550.79
  6. Step 6: Final answer
    x = 19,625.22

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Half scale
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Double scale
Find fourth proportional to 25,551.79, 35,262.49 and 14,221.77
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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.