Home / 14,654.72-20,222.40-8,366.24

Finding the Fourth Proportional to 14,654.72, 20,222.40 and 8,366.24

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Solution

The fourth proportional to 14,654.72, 20,222.40 and 8,366.24 is: 11,544.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,654.72 : 20,222.40 = 8,366.24 : x
  2. Step 2: Convert to fraction form
    14,654.72/20,222.40 = 8,366.24/x
  3. Step 3: Cross multiply
    14,654.72x = 20,222.40 × 8,366.24
  4. Step 4: Simplify right side
    14,654.72x = 169,185,451.78
  5. Step 5: Solve for x
    x = 169,185,451.78/14,654.72
  6. Step 6: Final answer
    x = 11,544.78

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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.