Home / 19,674.72-27,151.47-11,291.22

Finding the Fourth Proportional to 19,674.72, 27,151.47 and 11,291.22

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Solution

The fourth proportional to 19,674.72, 27,151.47 and 11,291.22 is: 15,582.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,674.72 : 27,151.47 = 11,291.22 : x
  2. Step 2: Convert to fraction form
    19,674.72/27,151.47 = 11,291.22/x
  3. Step 3: Cross multiply
    19,674.72x = 27,151.47 × 11,291.22
  4. Step 4: Simplify right side
    19,674.72x = 306,573,221.09
  5. Step 5: Solve for x
    x = 306,573,221.09/19,674.72
  6. Step 6: Final answer
    x = 15,582.09

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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.