Home / 14,675.97-20,252.63-7,961.42

Finding the Fourth Proportional to 14,675.97, 20,252.63 and 7,961.42

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Solution

The fourth proportional to 14,675.97, 20,252.63 and 7,961.42 is: 10,986.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,675.97 : 20,252.63 = 7,961.42 : x
  2. Step 2: Convert to fraction form
    14,675.97/20,252.63 = 7,961.42/x
  3. Step 3: Cross multiply
    14,675.97x = 20,252.63 × 7,961.42
  4. Step 4: Simplify right side
    14,675.97x = 161,239,552.46
  5. Step 5: Solve for x
    x = 161,239,552.46/14,675.97
  6. Step 6: Final answer
    x = 10,986.64

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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.