Home / 27,114.51-37,418.19-15,790.59

Finding the Fourth Proportional to 27,114.51, 37,418.19 and 15,790.59

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Solution

The fourth proportional to 27,114.51, 37,418.19 and 15,790.59 is: 21,791.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,114.51 : 37,418.19 = 15,790.59 : x
  2. Step 2: Convert to fraction form
    27,114.51/37,418.19 = 15,790.59/x
  3. Step 3: Cross multiply
    27,114.51x = 37,418.19 × 15,790.59
  4. Step 4: Simplify right side
    27,114.51x = 590,855,296.83
  5. Step 5: Solve for x
    x = 590,855,296.83/27,114.51
  6. Step 6: Final answer
    x = 21,791.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.