Home / 14,252.06-19,667.78-7,964.44

Finding the Fourth Proportional to 14,252.06, 19,667.78 and 7,964.44

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Solution

The fourth proportional to 14,252.06, 19,667.78 and 7,964.44 is: 10,990.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,252.06 : 19,667.78 = 7,964.44 : x
  2. Step 2: Convert to fraction form
    14,252.06/19,667.78 = 7,964.44/x
  3. Step 3: Cross multiply
    14,252.06x = 19,667.78 × 7,964.44
  4. Step 4: Simplify right side
    14,252.06x = 156,642,853.74
  5. Step 5: Solve for x
    x = 156,642,853.74/14,252.06
  6. Step 6: Final answer
    x = 10,990.89

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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.