Home / 25,149.91-37,728.77-7,615.57

Finding the Fourth Proportional to 25,149.91, 37,728.77 and 7,615.57

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Solution

The fourth proportional to 25,149.91, 37,728.77 and 7,615.57 is: 11,424.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,149.91 : 37,728.77 = 7,615.57 : x
  2. Step 2: Convert to fraction form
    25,149.91/37,728.77 = 7,615.57/x
  3. Step 3: Cross multiply
    25,149.91x = 37,728.77 × 7,615.57
  4. Step 4: Simplify right side
    25,149.91x = 287,326,088.95
  5. Step 5: Solve for x
    x = 287,326,088.95/25,149.91
  6. Step 6: Final answer
    x = 11,424.54

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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.