Home / 12,415.29-18,625.24-4,095.89

Finding the Fourth Proportional to 12,415.29, 18,625.24 and 4,095.89

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Solution

The fourth proportional to 12,415.29, 18,625.24 and 4,095.89 is: 6,144.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,415.29 : 18,625.24 = 4,095.89 : x
  2. Step 2: Convert to fraction form
    12,415.29/18,625.24 = 4,095.89/x
  3. Step 3: Cross multiply
    12,415.29x = 18,625.24 × 4,095.89
  4. Step 4: Simplify right side
    12,415.29x = 76,286,820.66
  5. Step 5: Solve for x
    x = 76,286,820.66/12,415.29
  6. Step 6: Final answer
    x = 6,144.59

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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.