Home / 18,630.63-27,948.24-5,981.22

Finding the Fourth Proportional to 18,630.63, 27,948.24 and 5,981.22

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Solution

The fourth proportional to 18,630.63, 27,948.24 and 5,981.22 is: 8,972.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,630.63 : 27,948.24 = 5,981.22 : x
  2. Step 2: Convert to fraction form
    18,630.63/27,948.24 = 5,981.22/x
  3. Step 3: Cross multiply
    18,630.63x = 27,948.24 × 5,981.22
  4. Step 4: Simplify right side
    18,630.63x = 167,164,572.05
  5. Step 5: Solve for x
    x = 167,164,572.05/18,630.63
  6. Step 6: Final answer
    x = 8,972.57

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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.