Home / 25,134.09-37,701.20-8,489.67

Finding the Fourth Proportional to 25,134.09, 37,701.20 and 8,489.67

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Solution

The fourth proportional to 25,134.09, 37,701.20 and 8,489.67 is: 12,734.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,134.09 : 37,701.20 = 8,489.67 : x
  2. Step 2: Convert to fraction form
    25,134.09/37,701.20 = 8,489.67/x
  3. Step 3: Cross multiply
    25,134.09x = 37,701.20 × 8,489.67
  4. Step 4: Simplify right side
    25,134.09x = 320,070,746.60
  5. Step 5: Solve for x
    x = 320,070,746.60/25,134.09
  6. Step 6: Final answer
    x = 12,734.53

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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.