Home / 14,356.75-21,535.13-3,968.50

Finding the Fourth Proportional to 14,356.75, 21,535.13 and 3,968.50

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Solution

The fourth proportional to 14,356.75, 21,535.13 and 3,968.50 is: 5,952.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,356.75 : 21,535.13 = 3,968.50 : x
  2. Step 2: Convert to fraction form
    14,356.75/21,535.13 = 3,968.50/x
  3. Step 3: Cross multiply
    14,356.75x = 21,535.13 × 3,968.50
  4. Step 4: Simplify right side
    14,356.75x = 85,462,163.41
  5. Step 5: Solve for x
    x = 85,462,163.41/14,356.75
  6. Step 6: Final answer
    x = 5,952.75

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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.