Home / 13,957.35-20,937.96-4,095.24

Finding the Fourth Proportional to 13,957.35, 20,937.96 and 4,095.24

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Solution

The fourth proportional to 13,957.35, 20,937.96 and 4,095.24 is: 6,143.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,957.35 : 20,937.96 = 4,095.24 : x
  2. Step 2: Convert to fraction form
    13,957.35/20,937.96 = 4,095.24/x
  3. Step 3: Cross multiply
    13,957.35x = 20,937.96 × 4,095.24
  4. Step 4: Simplify right side
    13,957.35x = 85,745,971.31
  5. Step 5: Solve for x
    x = 85,745,971.31/13,957.35
  6. Step 6: Final answer
    x = 6,143.43

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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.