Home / 25,247.77-37,878.13-7,717.55

Finding the Fourth Proportional to 25,247.77, 37,878.13 and 7,717.55

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Solution

The fourth proportional to 25,247.77, 37,878.13 and 7,717.55 is: 11,578.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,247.77 : 37,878.13 = 7,717.55 : x
  2. Step 2: Convert to fraction form
    25,247.77/37,878.13 = 7,717.55/x
  3. Step 3: Cross multiply
    25,247.77x = 37,878.13 × 7,717.55
  4. Step 4: Simplify right side
    25,247.77x = 292,326,182.44
  5. Step 5: Solve for x
    x = 292,326,182.44/25,247.77
  6. Step 6: Final answer
    x = 11,578.30

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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.