Home / 23,132.75-31,923.21-12,522.47

Finding the Fourth Proportional to 23,132.75, 31,923.21 and 12,522.47

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Solution

The fourth proportional to 23,132.75, 31,923.21 and 12,522.47 is: 17,281.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,132.75 : 31,923.21 = 12,522.47 : x
  2. Step 2: Convert to fraction form
    23,132.75/31,923.21 = 12,522.47/x
  3. Step 3: Cross multiply
    23,132.75x = 31,923.21 × 12,522.47
  4. Step 4: Simplify right side
    23,132.75x = 399,757,439.53
  5. Step 5: Solve for x
    x = 399,757,439.53/23,132.75
  6. Step 6: Final answer
    x = 17,281.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.