Home / 15,999.72-23,999.48-5,464.66

Finding the Fourth Proportional to 15,999.72, 23,999.48 and 5,464.66

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Solution

The fourth proportional to 15,999.72, 23,999.48 and 5,464.66 is: 8,196.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,999.72 : 23,999.48 = 5,464.66 : x
  2. Step 2: Convert to fraction form
    15,999.72/23,999.48 = 5,464.66/x
  3. Step 3: Cross multiply
    15,999.72x = 23,999.48 × 5,464.66
  4. Step 4: Simplify right side
    15,999.72x = 131,148,998.38
  5. Step 5: Solve for x
    x = 131,148,998.38/15,999.72
  6. Step 6: Final answer
    x = 8,196.96

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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.