Home / 13,957.63-20,934.56-4,095.07

Finding the Fourth Proportional to 13,957.63, 20,934.56 and 4,095.07

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Solution

The fourth proportional to 13,957.63, 20,934.56 and 4,095.07 is: 6,142.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,957.63 : 20,934.56 = 4,095.07 : x
  2. Step 2: Convert to fraction form
    13,957.63/20,934.56 = 4,095.07/x
  3. Step 3: Cross multiply
    13,957.63x = 20,934.56 × 4,095.07
  4. Step 4: Simplify right side
    13,957.63x = 85,728,468.14
  5. Step 5: Solve for x
    x = 85,728,468.14/13,957.63
  6. Step 6: Final answer
    x = 6,142.05

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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.