Home / 27,009.53-40,504.03-12,965.58

Finding the Fourth Proportional to 27,009.53, 40,504.03 and 12,965.58

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Solution

The fourth proportional to 27,009.53, 40,504.03 and 12,965.58 is: 19,443.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,009.53 : 40,504.03 = 12,965.58 : x
  2. Step 2: Convert to fraction form
    27,009.53/40,504.03 = 12,965.58/x
  3. Step 3: Cross multiply
    27,009.53x = 40,504.03 × 12,965.58
  4. Step 4: Simplify right side
    27,009.53x = 525,158,208.87
  5. Step 5: Solve for x
    x = 525,158,208.87/27,009.53
  6. Step 6: Final answer
    x = 19,443.44

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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.