Home / 13,956.96-20,937.77-6,468.02

Finding the Fourth Proportional to 13,956.96, 20,937.77 and 6,468.02

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Solution

The fourth proportional to 13,956.96, 20,937.77 and 6,468.02 is: 9,703.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,956.96 : 20,937.77 = 6,468.02 : x
  2. Step 2: Convert to fraction form
    13,956.96/20,937.77 = 6,468.02/x
  3. Step 3: Cross multiply
    13,956.96x = 20,937.77 × 6,468.02
  4. Step 4: Simplify right side
    13,956.96x = 135,426,035.02
  5. Step 5: Solve for x
    x = 135,426,035.02/13,956.96
  6. Step 6: Final answer
    x = 9,703.12

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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.