Home / 14,979.41-20,671.26-8,264.97

Finding the Fourth Proportional to 14,979.41, 20,671.26 and 8,264.97

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Solution

The fourth proportional to 14,979.41, 20,671.26 and 8,264.97 is: 11,405.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,979.41 : 20,671.26 = 8,264.97 : x
  2. Step 2: Convert to fraction form
    14,979.41/20,671.26 = 8,264.97/x
  3. Step 3: Cross multiply
    14,979.41x = 20,671.26 × 8,264.97
  4. Step 4: Simplify right side
    14,979.41x = 170,847,343.76
  5. Step 5: Solve for x
    x = 170,847,343.76/14,979.41
  6. Step 6: Final answer
    x = 11,405.48

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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.