Home / 23,186.65-34,749.21-12,629.59

Finding the Fourth Proportional to 23,186.65, 34,749.21 and 12,629.59

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Solution

The fourth proportional to 23,186.65, 34,749.21 and 12,629.59 is: 18,927.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,186.65 : 34,749.21 = 12,629.59 : x
  2. Step 2: Convert to fraction form
    23,186.65/34,749.21 = 12,629.59/x
  3. Step 3: Cross multiply
    23,186.65x = 34,749.21 × 12,629.59
  4. Step 4: Simplify right side
    23,186.65x = 438,868,188.25
  5. Step 5: Solve for x
    x = 438,868,188.25/23,186.65
  6. Step 6: Final answer
    x = 18,927.63

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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.