Home / 18,605.17-27,911.60-6,125.94

Finding the Fourth Proportional to 18,605.17, 27,911.60 and 6,125.94

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Solution

The fourth proportional to 18,605.17, 27,911.60 and 6,125.94 is: 9,190.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,605.17 : 27,911.60 = 6,125.94 : x
  2. Step 2: Convert to fraction form
    18,605.17/27,911.60 = 6,125.94/x
  3. Step 3: Cross multiply
    18,605.17x = 27,911.60 × 6,125.94
  4. Step 4: Simplify right side
    18,605.17x = 170,984,756.27
  5. Step 5: Solve for x
    x = 170,984,756.27/18,605.17
  6. Step 6: Final answer
    x = 9,190.17

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1.5x scale

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.