Home / 18,590.45-27,880.16-6,108.17

Finding the Fourth Proportional to 18,590.45, 27,880.16 and 6,108.17

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Solution

The fourth proportional to 18,590.45, 27,880.16 and 6,108.17 is: 9,160.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,590.45 : 27,880.16 = 6,108.17 : x
  2. Step 2: Convert to fraction form
    18,590.45/27,880.16 = 6,108.17/x
  3. Step 3: Cross multiply
    18,590.45x = 27,880.16 × 6,108.17
  4. Step 4: Simplify right side
    18,590.45x = 170,296,586.97
  5. Step 5: Solve for x
    x = 170,296,586.97/18,590.45
  6. Step 6: Final answer
    x = 9,160.44

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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.