Home / 19,550.72-26,979.32-11,588.22

Finding the Fourth Proportional to 19,550.72, 26,979.32 and 11,588.22

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Solution

The fourth proportional to 19,550.72, 26,979.32 and 11,588.22 is: 15,991.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,550.72 : 26,979.32 = 11,588.22 : x
  2. Step 2: Convert to fraction form
    19,550.72/26,979.32 = 11,588.22/x
  3. Step 3: Cross multiply
    19,550.72x = 26,979.32 × 11,588.22
  4. Step 4: Simplify right side
    19,550.72x = 312,642,295.61
  5. Step 5: Solve for x
    x = 312,642,295.61/19,550.72
  6. Step 6: Final answer
    x = 15,991.34

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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.