Home / 14,648.12-21,967.68-5,286.98

Finding the Fourth Proportional to 14,648.12, 21,967.68 and 5,286.98

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Solution

The fourth proportional to 14,648.12, 21,967.68 and 5,286.98 is: 7,928.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,648.12 : 21,967.68 = 5,286.98 : x
  2. Step 2: Convert to fraction form
    14,648.12/21,967.68 = 5,286.98/x
  3. Step 3: Cross multiply
    14,648.12x = 21,967.68 × 5,286.98
  4. Step 4: Simplify right side
    14,648.12x = 116,142,739.73
  5. Step 5: Solve for x
    x = 116,142,739.73/14,648.12
  6. Step 6: Final answer
    x = 7,928.85

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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.