Home / 13,447.96-20,176.32-5,654.68

Finding the Fourth Proportional to 13,447.96, 20,176.32 and 5,654.68

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Solution

The fourth proportional to 13,447.96, 20,176.32 and 5,654.68 is: 8,483.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,447.96 : 20,176.32 = 5,654.68 : x
  2. Step 2: Convert to fraction form
    13,447.96/20,176.32 = 5,654.68/x
  3. Step 3: Cross multiply
    13,447.96x = 20,176.32 × 5,654.68
  4. Step 4: Simplify right side
    13,447.96x = 114,090,633.18
  5. Step 5: Solve for x
    x = 114,090,633.18/13,447.96
  6. Step 6: Final answer
    x = 8,483.86

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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.