Home / 14,182.54-21,252.88-12,625.51

Finding the Fourth Proportional to 14,182.54, 21,252.88 and 12,625.51

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Solution

The fourth proportional to 14,182.54, 21,252.88 and 12,625.51 is: 18,919.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,182.54 : 21,252.88 = 12,625.51 : x
  2. Step 2: Convert to fraction form
    14,182.54/21,252.88 = 12,625.51/x
  3. Step 3: Cross multiply
    14,182.54x = 21,252.88 × 12,625.51
  4. Step 4: Simplify right side
    14,182.54x = 268,328,448.97
  5. Step 5: Solve for x
    x = 268,328,448.97/14,182.54
  6. Step 6: Final answer
    x = 18,919.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.