Home / 13,544.67-20,320.28-4,660.12

Finding the Fourth Proportional to 13,544.67, 20,320.28 and 4,660.12

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Solution

The fourth proportional to 13,544.67, 20,320.28 and 4,660.12 is: 6,991.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,544.67 : 20,320.28 = 4,660.12 : x
  2. Step 2: Convert to fraction form
    13,544.67/20,320.28 = 4,660.12/x
  3. Step 3: Cross multiply
    13,544.67x = 20,320.28 × 4,660.12
  4. Step 4: Simplify right side
    13,544.67x = 94,694,943.23
  5. Step 5: Solve for x
    x = 94,694,943.23/13,544.67
  6. Step 6: Final answer
    x = 6,991.31

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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.