Home / 15,645.66-23,477.55-5,791.86

Finding the Fourth Proportional to 15,645.66, 23,477.55 and 5,791.86

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Solution

The fourth proportional to 15,645.66, 23,477.55 and 5,791.86 is: 8,691.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,645.66 : 23,477.55 = 5,791.86 : x
  2. Step 2: Convert to fraction form
    15,645.66/23,477.55 = 5,791.86/x
  3. Step 3: Cross multiply
    15,645.66x = 23,477.55 × 5,791.86
  4. Step 4: Simplify right side
    15,645.66x = 135,978,682.74
  5. Step 5: Solve for x
    x = 135,978,682.74/15,645.66
  6. Step 6: Final answer
    x = 8,691.14

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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.