Home / 25,149.93-37,720.70-7,615.59

Finding the Fourth Proportional to 25,149.93, 37,720.70 and 7,615.59

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Solution

The fourth proportional to 25,149.93, 37,720.70 and 7,615.59 is: 11,422.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,149.93 : 37,720.70 = 7,615.59 : x
  2. Step 2: Convert to fraction form
    25,149.93/37,720.70 = 7,615.59/x
  3. Step 3: Cross multiply
    25,149.93x = 37,720.70 × 7,615.59
  4. Step 4: Simplify right side
    25,149.93x = 287,265,234.74
  5. Step 5: Solve for x
    x = 287,265,234.74/25,149.93
  6. Step 6: Final answer
    x = 11,422.11

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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.