Home / 14,121.84-21,081.24-13,096.56

Finding the Fourth Proportional to 14,121.84, 21,081.24 and 13,096.56

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Solution

The fourth proportional to 14,121.84, 21,081.24 and 13,096.56 is: 19,550.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,121.84 : 21,081.24 = 13,096.56 : x
  2. Step 2: Convert to fraction form
    14,121.84/21,081.24 = 13,096.56/x
  3. Step 3: Cross multiply
    14,121.84x = 21,081.24 × 13,096.56
  4. Step 4: Simplify right side
    14,121.84x = 276,091,724.53
  5. Step 5: Solve for x
    x = 276,091,724.53/14,121.84
  6. Step 6: Final answer
    x = 19,550.69

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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.