Home / 18,237.47-27,356.21-5,766.25

Finding the Fourth Proportional to 18,237.47, 27,356.21 and 5,766.25

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Solution

The fourth proportional to 18,237.47, 27,356.21 and 5,766.25 is: 8,649.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,237.47 : 27,356.21 = 5,766.25 : x
  2. Step 2: Convert to fraction form
    18,237.47/27,356.21 = 5,766.25/x
  3. Step 3: Cross multiply
    18,237.47x = 27,356.21 × 5,766.25
  4. Step 4: Simplify right side
    18,237.47x = 157,742,745.91
  5. Step 5: Solve for x
    x = 157,742,745.91/18,237.47
  6. Step 6: Final answer
    x = 8,649.38

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Similar ratio
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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.