Home / 14,221.41-19,624.07-8,251.92

Finding the Fourth Proportional to 14,221.41, 19,624.07 and 8,251.92

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Solution

The fourth proportional to 14,221.41, 19,624.07 and 8,251.92 is: 11,386.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,221.41 : 19,624.07 = 8,251.92 : x
  2. Step 2: Convert to fraction form
    14,221.41/19,624.07 = 8,251.92/x
  3. Step 3: Cross multiply
    14,221.41x = 19,624.07 × 8,251.92
  4. Step 4: Simplify right side
    14,221.41x = 161,936,276.34
  5. Step 5: Solve for x
    x = 161,936,276.34/14,221.41
  6. Step 6: Final answer
    x = 11,386.80

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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.