Home / 14,731.30-20,328.66-8,016.79

Finding the Fourth Proportional to 14,731.30, 20,328.66 and 8,016.79

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Solution

The fourth proportional to 14,731.30, 20,328.66 and 8,016.79 is: 11,062.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,731.30 : 20,328.66 = 8,016.79 : x
  2. Step 2: Convert to fraction form
    14,731.30/20,328.66 = 8,016.79/x
  3. Step 3: Cross multiply
    14,731.30x = 20,328.66 × 8,016.79
  4. Step 4: Simplify right side
    14,731.30x = 162,970,485.52
  5. Step 5: Solve for x
    x = 162,970,485.52/14,731.30
  6. Step 6: Final answer
    x = 11,062.87

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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.