Home / 14,123.88-21,179.05-5,233.12

Finding the Fourth Proportional to 14,123.88, 21,179.05 and 5,233.12

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Solution

The fourth proportional to 14,123.88, 21,179.05 and 5,233.12 is: 7,847.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,123.88 : 21,179.05 = 5,233.12 : x
  2. Step 2: Convert to fraction form
    14,123.88/21,179.05 = 5,233.12/x
  3. Step 3: Cross multiply
    14,123.88x = 21,179.05 × 5,233.12
  4. Step 4: Simplify right side
    14,123.88x = 110,832,510.14
  5. Step 5: Solve for x
    x = 110,832,510.14/14,123.88
  6. Step 6: Final answer
    x = 7,847.17

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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.