Home / 23,291.89-34,912.72-11,431.86

Finding the Fourth Proportional to 23,291.89, 34,912.72 and 11,431.86

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Solution

The fourth proportional to 23,291.89, 34,912.72 and 11,431.86 is: 17,135.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,291.89 : 34,912.72 = 11,431.86 : x
  2. Step 2: Convert to fraction form
    23,291.89/34,912.72 = 11,431.86/x
  3. Step 3: Cross multiply
    23,291.89x = 34,912.72 × 11,431.86
  4. Step 4: Simplify right side
    23,291.89x = 399,117,308.82
  5. Step 5: Solve for x
    x = 399,117,308.82/23,291.89
  6. Step 6: Final answer
    x = 17,135.46

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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.