Home / 23,010.21-31,755.21-12,941.82

Finding the Fourth Proportional to 23,010.21, 31,755.21 and 12,941.82

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Solution

The fourth proportional to 23,010.21, 31,755.21 and 12,941.82 is: 17,860.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,010.21 : 31,755.21 = 12,941.82 : x
  2. Step 2: Convert to fraction form
    23,010.21/31,755.21 = 12,941.82/x
  3. Step 3: Cross multiply
    23,010.21x = 31,755.21 × 12,941.82
  4. Step 4: Simplify right side
    23,010.21x = 410,970,211.88
  5. Step 5: Solve for x
    x = 410,970,211.88/23,010.21
  6. Step 6: Final answer
    x = 17,860.34

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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.