Home / 12,529.13-18,795.23-4,095.43

Finding the Fourth Proportional to 12,529.13, 18,795.23 and 4,095.43

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Solution

The fourth proportional to 12,529.13, 18,795.23 and 4,095.43 is: 6,143.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,529.13 : 18,795.23 = 4,095.43 : x
  2. Step 2: Convert to fraction form
    12,529.13/18,795.23 = 4,095.43/x
  3. Step 3: Cross multiply
    12,529.13x = 18,795.23 × 4,095.43
  4. Step 4: Simplify right side
    12,529.13x = 76,974,548.80
  5. Step 5: Solve for x
    x = 76,974,548.80/12,529.13
  6. Step 6: Final answer
    x = 6,143.65

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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.