Home / 18,492.94-27,738.33-5,345.02

Finding the Fourth Proportional to 18,492.94, 27,738.33 and 5,345.02

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Solution

The fourth proportional to 18,492.94, 27,738.33 and 5,345.02 is: 8,017.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,492.94 : 27,738.33 = 5,345.02 : x
  2. Step 2: Convert to fraction form
    18,492.94/27,738.33 = 5,345.02/x
  3. Step 3: Cross multiply
    18,492.94x = 27,738.33 × 5,345.02
  4. Step 4: Simplify right side
    18,492.94x = 148,261,928.62
  5. Step 5: Solve for x
    x = 148,261,928.62/18,492.94
  6. Step 6: Final answer
    x = 8,017.22

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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.