Home / 12,436.65-18,649.53-4,001.13

Finding the Fourth Proportional to 12,436.65, 18,649.53 and 4,001.13

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Solution

The fourth proportional to 12,436.65, 18,649.53 and 4,001.13 is: 5,999.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,436.65 : 18,649.53 = 4,001.13 : x
  2. Step 2: Convert to fraction form
    12,436.65/18,649.53 = 4,001.13/x
  3. Step 3: Cross multiply
    12,436.65x = 18,649.53 × 4,001.13
  4. Step 4: Simplify right side
    12,436.65x = 74,619,193.97
  5. Step 5: Solve for x
    x = 74,619,193.97/12,436.65
  6. Step 6: Final answer
    x = 5,999.94

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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.