Home / 23,825.12-32,880.15-13,755.39

Finding the Fourth Proportional to 23,825.12, 32,880.15 and 13,755.39

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Solution

The fourth proportional to 23,825.12, 32,880.15 and 13,755.39 is: 18,983.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,825.12 : 32,880.15 = 13,755.39 : x
  2. Step 2: Convert to fraction form
    23,825.12/32,880.15 = 13,755.39/x
  3. Step 3: Cross multiply
    23,825.12x = 32,880.15 × 13,755.39
  4. Step 4: Simplify right side
    23,825.12x = 452,279,286.51
  5. Step 5: Solve for x
    x = 452,279,286.51/23,825.12
  6. Step 6: Final answer
    x = 18,983.30

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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.