Home / 18,235.94-25,159.43-14,872.91

Finding the Fourth Proportional to 18,235.94, 25,159.43 and 14,872.91

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Solution

The fourth proportional to 18,235.94, 25,159.43 and 14,872.91 is: 20,519.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,235.94 : 25,159.43 = 14,872.91 : x
  2. Step 2: Convert to fraction form
    18,235.94/25,159.43 = 14,872.91/x
  3. Step 3: Cross multiply
    18,235.94x = 25,159.43 × 14,872.91
  4. Step 4: Simplify right side
    18,235.94x = 374,193,863.68
  5. Step 5: Solve for x
    x = 374,193,863.68/18,235.94
  6. Step 6: Final answer
    x = 20,519.58

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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.