Home / 13,957.10-20,937.70-4,095.08

Finding the Fourth Proportional to 13,957.10, 20,937.70 and 4,095.08

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Solution

The fourth proportional to 13,957.10, 20,937.70 and 4,095.08 is: 6,143.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,957.10 : 20,937.70 = 4,095.08 : x
  2. Step 2: Convert to fraction form
    13,957.10/20,937.70 = 4,095.08/x
  3. Step 3: Cross multiply
    13,957.10x = 20,937.70 × 4,095.08
  4. Step 4: Simplify right side
    13,957.10x = 85,741,512.43
  5. Step 5: Solve for x
    x = 85,741,512.43/13,957.10
  6. Step 6: Final answer
    x = 6,143.22

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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.