Home / 14,635.29-20,197.49-8,261.61

Finding the Fourth Proportional to 14,635.29, 20,197.49 and 8,261.61

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Solution

The fourth proportional to 14,635.29, 20,197.49 and 8,261.61 is: 11,401.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,635.29 : 20,197.49 = 8,261.61 : x
  2. Step 2: Convert to fraction form
    14,635.29/20,197.49 = 8,261.61/x
  3. Step 3: Cross multiply
    14,635.29x = 20,197.49 × 8,261.61
  4. Step 4: Simplify right side
    14,635.29x = 166,863,785.36
  5. Step 5: Solve for x
    x = 166,863,785.36/14,635.29
  6. Step 6: Final answer
    x = 11,401.47

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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.