Home / 14,185.33-21,252.71-8,635.82

Finding the Fourth Proportional to 14,185.33, 21,252.71 and 8,635.82

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Solution

The fourth proportional to 14,185.33, 21,252.71 and 8,635.82 is: 12,938.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,185.33 : 21,252.71 = 8,635.82 : x
  2. Step 2: Convert to fraction form
    14,185.33/21,252.71 = 8,635.82/x
  3. Step 3: Cross multiply
    14,185.33x = 21,252.71 × 8,635.82
  4. Step 4: Simplify right side
    14,185.33x = 183,534,493.40
  5. Step 5: Solve for x
    x = 183,534,493.40/14,185.33
  6. Step 6: Final answer
    x = 12,938.33

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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.