Home / 27,187.48-40,795.14-12,394.51

Finding the Fourth Proportional to 27,187.48, 40,795.14 and 12,394.51

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Solution

The fourth proportional to 27,187.48, 40,795.14 and 12,394.51 is: 18,598.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,187.48 : 40,795.14 = 12,394.51 : x
  2. Step 2: Convert to fraction form
    27,187.48/40,795.14 = 12,394.51/x
  3. Step 3: Cross multiply
    27,187.48x = 40,795.14 × 12,394.51
  4. Step 4: Simplify right side
    27,187.48x = 505,635,770.68
  5. Step 5: Solve for x
    x = 505,635,770.68/27,187.48
  6. Step 6: Final answer
    x = 18,598.11

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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.