Home / 18,586.12-27,880.78-6,102.36

Finding the Fourth Proportional to 18,586.12, 27,880.78 and 6,102.36

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Solution

The fourth proportional to 18,586.12, 27,880.78 and 6,102.36 is: 9,154.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,586.12 : 27,880.78 = 6,102.36 : x
  2. Step 2: Convert to fraction form
    18,586.12/27,880.78 = 6,102.36/x
  3. Step 3: Cross multiply
    18,586.12x = 27,880.78 × 6,102.36
  4. Step 4: Simplify right side
    18,586.12x = 170,138,556.64
  5. Step 5: Solve for x
    x = 170,138,556.64/18,586.12
  6. Step 6: Final answer
    x = 9,154.07

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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.