Home / 13,463.52-20,061.44-11,991.32

Finding the Fourth Proportional to 13,463.52, 20,061.44 and 11,991.32

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Solution

The fourth proportional to 13,463.52, 20,061.44 and 11,991.32 is: 17,867.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,463.52 : 20,061.44 = 11,991.32 : x
  2. Step 2: Convert to fraction form
    13,463.52/20,061.44 = 11,991.32/x
  3. Step 3: Cross multiply
    13,463.52x = 20,061.44 × 11,991.32
  4. Step 4: Simplify right side
    13,463.52x = 240,563,146.70
  5. Step 5: Solve for x
    x = 240,563,146.70/13,463.52
  6. Step 6: Final answer
    x = 17,867.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.