Home / 27,080.51-40,640.71-12,849.03

Finding the Fourth Proportional to 27,080.51, 40,640.71 and 12,849.03

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Solution

The fourth proportional to 27,080.51, 40,640.71 and 12,849.03 is: 19,283.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,080.51 : 40,640.71 = 12,849.03 : x
  2. Step 2: Convert to fraction form
    27,080.51/40,640.71 = 12,849.03/x
  3. Step 3: Cross multiply
    27,080.51x = 40,640.71 × 12,849.03
  4. Step 4: Simplify right side
    27,080.51x = 522,193,669.89
  5. Step 5: Solve for x
    x = 522,193,669.89/27,080.51
  6. Step 6: Final answer
    x = 19,283.01

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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.