Home / 18,548.84-27,820.56-5,397.68

Finding the Fourth Proportional to 18,548.84, 27,820.56 and 5,397.68

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Solution

The fourth proportional to 18,548.84, 27,820.56 and 5,397.68 is: 8,095.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,548.84 : 27,820.56 = 5,397.68 : x
  2. Step 2: Convert to fraction form
    18,548.84/27,820.56 = 5,397.68/x
  3. Step 3: Cross multiply
    18,548.84x = 27,820.56 × 5,397.68
  4. Step 4: Simplify right side
    18,548.84x = 150,166,480.30
  5. Step 5: Solve for x
    x = 150,166,480.30/18,548.84
  6. Step 6: Final answer
    x = 8,095.73

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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.