Home / 23,175.41-31,982.18-12,564.95

Finding the Fourth Proportional to 23,175.41, 31,982.18 and 12,564.95

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Solution

The fourth proportional to 23,175.41, 31,982.18 and 12,564.95 is: 17,339.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,175.41 : 31,982.18 = 12,564.95 : x
  2. Step 2: Convert to fraction form
    23,175.41/31,982.18 = 12,564.95/x
  3. Step 3: Cross multiply
    23,175.41x = 31,982.18 × 12,564.95
  4. Step 4: Simplify right side
    23,175.41x = 401,854,269.86
  5. Step 5: Solve for x
    x = 401,854,269.86/23,175.41
  6. Step 6: Final answer
    x = 17,339.69

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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.