Home / 18,591.11-27,880.76-6,108.26

Finding the Fourth Proportional to 18,591.11, 27,880.76 and 6,108.26

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Solution

The fourth proportional to 18,591.11, 27,880.76 and 6,108.26 is: 9,160.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,591.11 : 27,880.76 = 6,108.26 : x
  2. Step 2: Convert to fraction form
    18,591.11/27,880.76 = 6,108.26/x
  3. Step 3: Cross multiply
    18,591.11x = 27,880.76 × 6,108.26
  4. Step 4: Simplify right side
    18,591.11x = 170,302,929.41
  5. Step 5: Solve for x
    x = 170,302,929.41/18,591.11
  6. Step 6: Final answer
    x = 9,160.45

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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.