Home / 13,976.04-20,963.61-3,446.13

Finding the Fourth Proportional to 13,976.04, 20,963.61 and 3,446.13

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Solution

The fourth proportional to 13,976.04, 20,963.61 and 3,446.13 is: 5,169.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,976.04 : 20,963.61 = 3,446.13 : x
  2. Step 2: Convert to fraction form
    13,976.04/20,963.61 = 3,446.13/x
  3. Step 3: Cross multiply
    13,976.04x = 20,963.61 × 3,446.13
  4. Step 4: Simplify right side
    13,976.04x = 72,243,325.33
  5. Step 5: Solve for x
    x = 72,243,325.33/13,976.04
  6. Step 6: Final answer
    x = 5,169.08

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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.