Home / 25,104.11-37,629.89-8,458.40

Finding the Fourth Proportional to 25,104.11, 37,629.89 and 8,458.40

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Solution

The fourth proportional to 25,104.11, 37,629.89 and 8,458.40 is: 12,678.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,104.11 : 37,629.89 = 8,458.40 : x
  2. Step 2: Convert to fraction form
    25,104.11/37,629.89 = 8,458.40/x
  3. Step 3: Cross multiply
    25,104.11x = 37,629.89 × 8,458.40
  4. Step 4: Simplify right side
    25,104.11x = 318,288,431.13
  5. Step 5: Solve for x
    x = 318,288,431.13/25,104.11
  6. Step 6: Final answer
    x = 12,678.74

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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.