Home / 15,910.56-23,822.10-12,003.12

Finding the Fourth Proportional to 15,910.56, 23,822.10 and 12,003.12

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Solution

The fourth proportional to 15,910.56, 23,822.10 and 12,003.12 is: 17,971.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,910.56 : 23,822.10 = 12,003.12 : x
  2. Step 2: Convert to fraction form
    15,910.56/23,822.10 = 12,003.12/x
  3. Step 3: Cross multiply
    15,910.56x = 23,822.10 × 12,003.12
  4. Step 4: Simplify right side
    15,910.56x = 285,939,524.95
  5. Step 5: Solve for x
    x = 285,939,524.95/15,910.56
  6. Step 6: Final answer
    x = 17,971.68

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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.