Home / 25,615.16-38,440.00-8,975.34

Finding the Fourth Proportional to 25,615.16, 38,440.00 and 8,975.34

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Solution

The fourth proportional to 25,615.16, 38,440.00 and 8,975.34 is: 13,469.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,615.16 : 38,440.00 = 8,975.34 : x
  2. Step 2: Convert to fraction form
    25,615.16/38,440.00 = 8,975.34/x
  3. Step 3: Cross multiply
    25,615.16x = 38,440.00 × 8,975.34
  4. Step 4: Simplify right side
    25,615.16x = 345,012,024.72
  5. Step 5: Solve for x
    x = 345,012,024.72/25,615.16
  6. Step 6: Final answer
    x = 13,469.06

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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.