Home / 14,221.84-19,626.66-7,935.42

Finding the Fourth Proportional to 14,221.84, 19,626.66 and 7,935.42

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Solution

The fourth proportional to 14,221.84, 19,626.66 and 7,935.42 is: 10,951.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,221.84 : 19,626.66 = 7,935.42 : x
  2. Step 2: Convert to fraction form
    14,221.84/19,626.66 = 7,935.42/x
  3. Step 3: Cross multiply
    14,221.84x = 19,626.66 × 7,935.42
  4. Step 4: Simplify right side
    14,221.84x = 155,745,790.30
  5. Step 5: Solve for x
    x = 155,745,790.30/14,221.84
  6. Step 6: Final answer
    x = 10,951.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.