Home / 27,436.49-41,154.15-12,645.41

Finding the Fourth Proportional to 27,436.49, 41,154.15 and 12,645.41

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Solution

The fourth proportional to 27,436.49, 41,154.15 and 12,645.41 is: 18,967.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,436.49 : 41,154.15 = 12,645.41 : x
  2. Step 2: Convert to fraction form
    27,436.49/41,154.15 = 12,645.41/x
  3. Step 3: Cross multiply
    27,436.49x = 41,154.15 × 12,645.41
  4. Step 4: Simplify right side
    27,436.49x = 520,411,028.68
  5. Step 5: Solve for x
    x = 520,411,028.68/27,436.49
  6. Step 6: Final answer
    x = 18,967.84

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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.