Home / 15,774.21-23,647.41-5,906.57

Finding the Fourth Proportional to 15,774.21, 23,647.41 and 5,906.57

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Solution

The fourth proportional to 15,774.21, 23,647.41 and 5,906.57 is: 8,854.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,774.21 : 23,647.41 = 5,906.57 : x
  2. Step 2: Convert to fraction form
    15,774.21/23,647.41 = 5,906.57/x
  3. Step 3: Cross multiply
    15,774.21x = 23,647.41 × 5,906.57
  4. Step 4: Simplify right side
    15,774.21x = 139,674,964.25
  5. Step 5: Solve for x
    x = 139,674,964.25/15,774.21
  6. Step 6: Final answer
    x = 8,854.64

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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.