Home / 17,127.17-25,693.20-5,281.94

Finding the Fourth Proportional to 17,127.17, 25,693.20 and 5,281.94

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Solution

The fourth proportional to 17,127.17, 25,693.20 and 5,281.94 is: 7,923.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,127.17 : 25,693.20 = 5,281.94 : x
  2. Step 2: Convert to fraction form
    17,127.17/25,693.20 = 5,281.94/x
  3. Step 3: Cross multiply
    17,127.17x = 25,693.20 × 5,281.94
  4. Step 4: Simplify right side
    17,127.17x = 135,709,940.81
  5. Step 5: Solve for x
    x = 135,709,940.81/17,127.17
  6. Step 6: Final answer
    x = 7,923.66

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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.