Home / 25,354.74-38,021.16-8,716.44

Finding the Fourth Proportional to 25,354.74, 38,021.16 and 8,716.44

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Solution

The fourth proportional to 25,354.74, 38,021.16 and 8,716.44 is: 13,070.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,354.74 : 38,021.16 = 8,716.44 : x
  2. Step 2: Convert to fraction form
    25,354.74/38,021.16 = 8,716.44/x
  3. Step 3: Cross multiply
    25,354.74x = 38,021.16 × 8,716.44
  4. Step 4: Simplify right side
    25,354.74x = 331,409,159.87
  5. Step 5: Solve for x
    x = 331,409,159.87/25,354.74
  6. Step 6: Final answer
    x = 13,070.90

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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.