Home / 13,625.48-18,769.38-11,853.92

Finding the Fourth Proportional to 13,625.48, 18,769.38 and 11,853.92

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Solution

The fourth proportional to 13,625.48, 18,769.38 and 11,853.92 is: 16,329.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,625.48 : 18,769.38 = 11,853.92 : x
  2. Step 2: Convert to fraction form
    13,625.48/18,769.38 = 11,853.92/x
  3. Step 3: Cross multiply
    13,625.48x = 18,769.38 × 11,853.92
  4. Step 4: Simplify right side
    13,625.48x = 222,490,728.97
  5. Step 5: Solve for x
    x = 222,490,728.97/13,625.48
  6. Step 6: Final answer
    x = 16,329.02

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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.