Home / 25,131.53-37,671.03-8,485.85

Finding the Fourth Proportional to 25,131.53, 37,671.03 and 8,485.85

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Solution

The fourth proportional to 25,131.53, 37,671.03 and 8,485.85 is: 12,719.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,131.53 : 37,671.03 = 8,485.85 : x
  2. Step 2: Convert to fraction form
    25,131.53/37,671.03 = 8,485.85/x
  3. Step 3: Cross multiply
    25,131.53x = 37,671.03 × 8,485.85
  4. Step 4: Simplify right side
    25,131.53x = 319,670,521.57
  5. Step 5: Solve for x
    x = 319,670,521.57/25,131.53
  6. Step 6: Final answer
    x = 12,719.90

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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.