Home / 23,028.90-34,523.10-13,645.86

Finding the Fourth Proportional to 23,028.90, 34,523.10 and 13,645.86

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Solution

The fourth proportional to 23,028.90, 34,523.10 and 13,645.86 is: 20,456.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,028.90 : 34,523.10 = 13,645.86 : x
  2. Step 2: Convert to fraction form
    23,028.90/34,523.10 = 13,645.86/x
  3. Step 3: Cross multiply
    23,028.90x = 34,523.10 × 13,645.86
  4. Step 4: Simplify right side
    23,028.90x = 471,097,389.37
  5. Step 5: Solve for x
    x = 471,097,389.37/23,028.90
  6. Step 6: Final answer
    x = 20,456.79

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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.