Home / 13,972.76-20,949.08-4,607.56

Finding the Fourth Proportional to 13,972.76, 20,949.08 and 4,607.56

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Solution

The fourth proportional to 13,972.76, 20,949.08 and 4,607.56 is: 6,908.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,972.76 : 20,949.08 = 4,607.56 : x
  2. Step 2: Convert to fraction form
    13,972.76/20,949.08 = 4,607.56/x
  3. Step 3: Cross multiply
    13,972.76x = 20,949.08 × 4,607.56
  4. Step 4: Simplify right side
    13,972.76x = 96,524,143.04
  5. Step 5: Solve for x
    x = 96,524,143.04/13,972.76
  6. Step 6: Final answer
    x = 6,908.02

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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.