Home / 13,656.15-20,484.62-5,335.83

Finding the Fourth Proportional to 13,656.15, 20,484.62 and 5,335.83

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Solution

The fourth proportional to 13,656.15, 20,484.62 and 5,335.83 is: 8,003.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,656.15 : 20,484.62 = 5,335.83 : x
  2. Step 2: Convert to fraction form
    13,656.15/20,484.62 = 5,335.83/x
  3. Step 3: Cross multiply
    13,656.15x = 20,484.62 × 5,335.83
  4. Step 4: Simplify right side
    13,656.15x = 109,302,449.93
  5. Step 5: Solve for x
    x = 109,302,449.93/13,656.15
  6. Step 6: Final answer
    x = 8,003.90

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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.