Home / 14,367.17-21,551.88-3,978.92

Finding the Fourth Proportional to 14,367.17, 21,551.88 and 3,978.92

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Solution

The fourth proportional to 14,367.17, 21,551.88 and 3,978.92 is: 5,968.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,367.17 : 21,551.88 = 3,978.92 : x
  2. Step 2: Convert to fraction form
    14,367.17/21,551.88 = 3,978.92/x
  3. Step 3: Cross multiply
    14,367.17x = 21,551.88 × 3,978.92
  4. Step 4: Simplify right side
    14,367.17x = 85,753,206.37
  5. Step 5: Solve for x
    x = 85,753,206.37/14,367.17
  6. Step 6: Final answer
    x = 5,968.69

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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.