Home / 18,590.90-27,889.60-6,107.46

Finding the Fourth Proportional to 18,590.90, 27,889.60 and 6,107.46

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Solution

The fourth proportional to 18,590.90, 27,889.60 and 6,107.46 is: 9,162.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,590.90 : 27,889.60 = 6,107.46 : x
  2. Step 2: Convert to fraction form
    18,590.90/27,889.60 = 6,107.46/x
  3. Step 3: Cross multiply
    18,590.90x = 27,889.60 × 6,107.46
  4. Step 4: Simplify right side
    18,590.90x = 170,334,616.42
  5. Step 5: Solve for x
    x = 170,334,616.42/18,590.90
  6. Step 6: Final answer
    x = 9,162.26

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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.