Home / 14,251.85-19,667.57-7,964.22

Finding the Fourth Proportional to 14,251.85, 19,667.57 and 7,964.22

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Solution

The fourth proportional to 14,251.85, 19,667.57 and 7,964.22 is: 10,990.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,251.85 : 19,667.57 = 7,964.22 : x
  2. Step 2: Convert to fraction form
    14,251.85/19,667.57 = 7,964.22/x
  3. Step 3: Cross multiply
    14,251.85x = 19,667.57 × 7,964.22
  4. Step 4: Simplify right side
    14,251.85x = 156,636,874.26
  5. Step 5: Solve for x
    x = 156,636,874.26/14,251.85
  6. Step 6: Final answer
    x = 10,990.64

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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.