Home / 23,186.08-31,999.68-15,234.88

Finding the Fourth Proportional to 23,186.08, 31,999.68 and 15,234.88

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Solution

The fourth proportional to 23,186.08, 31,999.68 and 15,234.88 is: 21,026.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,186.08 : 31,999.68 = 15,234.88 : x
  2. Step 2: Convert to fraction form
    23,186.08/31,999.68 = 15,234.88/x
  3. Step 3: Cross multiply
    23,186.08x = 31,999.68 × 15,234.88
  4. Step 4: Simplify right side
    23,186.08x = 487,511,284.84
  5. Step 5: Solve for x
    x = 487,511,284.84/23,186.08
  6. Step 6: Final answer
    x = 21,026.03

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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.