Home / 18,498.96-27,744.18-5,348.40

Finding the Fourth Proportional to 18,498.96, 27,744.18 and 5,348.40

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Solution

The fourth proportional to 18,498.96, 27,744.18 and 5,348.40 is: 8,021.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,498.96 : 27,744.18 = 5,348.40 : x
  2. Step 2: Convert to fraction form
    18,498.96/27,744.18 = 5,348.40/x
  3. Step 3: Cross multiply
    18,498.96x = 27,744.18 × 5,348.40
  4. Step 4: Simplify right side
    18,498.96x = 148,386,972.31
  5. Step 5: Solve for x
    x = 148,386,972.31/18,498.96
  6. Step 6: Final answer
    x = 8,021.37

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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.