Home / 18,403.34-27,600.89-5,920.97

Finding the Fourth Proportional to 18,403.34, 27,600.89 and 5,920.97

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Solution

The fourth proportional to 18,403.34, 27,600.89 and 5,920.97 is: 8,880.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,403.34 : 27,600.89 = 5,920.97 : x
  2. Step 2: Convert to fraction form
    18,403.34/27,600.89 = 5,920.97/x
  3. Step 3: Cross multiply
    18,403.34x = 27,600.89 × 5,920.97
  4. Step 4: Simplify right side
    18,403.34x = 163,423,874.05
  5. Step 5: Solve for x
    x = 163,423,874.05/18,403.34
  6. Step 6: Final answer
    x = 8,880.12

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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.