Home / 14,008.92-21,016.50-6,112.71

Finding the Fourth Proportional to 14,008.92, 21,016.50 and 6,112.71

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Solution

The fourth proportional to 14,008.92, 21,016.50 and 6,112.71 is: 9,170.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,008.92 : 21,016.50 = 6,112.71 : x
  2. Step 2: Convert to fraction form
    14,008.92/21,016.50 = 6,112.71/x
  3. Step 3: Cross multiply
    14,008.92x = 21,016.50 × 6,112.71
  4. Step 4: Simplify right side
    14,008.92x = 128,467,769.72
  5. Step 5: Solve for x
    x = 128,467,769.72/14,008.92
  6. Step 6: Final answer
    x = 9,170.43

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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.