Home / 14,141.84-21,195.35-5,816.66

Finding the Fourth Proportional to 14,141.84, 21,195.35 and 5,816.66

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Solution

The fourth proportional to 14,141.84, 21,195.35 and 5,816.66 is: 8,717.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,141.84 : 21,195.35 = 5,816.66 : x
  2. Step 2: Convert to fraction form
    14,141.84/21,195.35 = 5,816.66/x
  3. Step 3: Cross multiply
    14,141.84x = 21,195.35 × 5,816.66
  4. Step 4: Simplify right side
    14,141.84x = 123,286,115.45
  5. Step 5: Solve for x
    x = 123,286,115.45/14,141.84
  6. Step 6: Final answer
    x = 8,717.83

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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.