Home / 18,543.01-27,815.28-5,395.38

Finding the Fourth Proportional to 18,543.01, 27,815.28 and 5,395.38

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Solution

The fourth proportional to 18,543.01, 27,815.28 and 5,395.38 is: 8,093.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,543.01 : 27,815.28 = 5,395.38 : x
  2. Step 2: Convert to fraction form
    18,543.01/27,815.28 = 5,395.38/x
  3. Step 3: Cross multiply
    18,543.01x = 27,815.28 × 5,395.38
  4. Step 4: Simplify right side
    18,543.01x = 150,074,005.41
  5. Step 5: Solve for x
    x = 150,074,005.41/18,543.01
  6. Step 6: Final answer
    x = 8,093.29

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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.