Home / 13,656.86-20,473.07-5,334.92

Finding the Fourth Proportional to 13,656.86, 20,473.07 and 5,334.92

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Solution

The fourth proportional to 13,656.86, 20,473.07 and 5,334.92 is: 7,997.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,656.86 : 20,473.07 = 5,334.92 : x
  2. Step 2: Convert to fraction form
    13,656.86/20,473.07 = 5,334.92/x
  3. Step 3: Cross multiply
    13,656.86x = 20,473.07 × 5,334.92
  4. Step 4: Simplify right side
    13,656.86x = 109,222,061.56
  5. Step 5: Solve for x
    x = 109,222,061.56/13,656.86
  6. Step 6: Final answer
    x = 7,997.60

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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.