Home / 18,648.18-27,971.91-4,797.18

Finding the Fourth Proportional to 18,648.18, 27,971.91 and 4,797.18

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Solution

The fourth proportional to 18,648.18, 27,971.91 and 4,797.18 is: 7,195.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,648.18 : 27,971.91 = 4,797.18 : x
  2. Step 2: Convert to fraction form
    18,648.18/27,971.91 = 4,797.18/x
  3. Step 3: Cross multiply
    18,648.18x = 27,971.91 × 4,797.18
  4. Step 4: Simplify right side
    18,648.18x = 134,186,287.21
  5. Step 5: Solve for x
    x = 134,186,287.21/18,648.18
  6. Step 6: Final answer
    x = 7,195.68

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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.