Home / 19,237.38-26,550.84-11,169.78

Finding the Fourth Proportional to 19,237.38, 26,550.84 and 11,169.78

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Solution

The fourth proportional to 19,237.38, 26,550.84 and 11,169.78 is: 15,416.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,237.38 : 26,550.84 = 11,169.78 : x
  2. Step 2: Convert to fraction form
    19,237.38/26,550.84 = 11,169.78/x
  3. Step 3: Cross multiply
    19,237.38x = 26,550.84 × 11,169.78
  4. Step 4: Simplify right side
    19,237.38x = 296,567,041.62
  5. Step 5: Solve for x
    x = 296,567,041.62/19,237.38
  6. Step 6: Final answer
    x = 15,416.19

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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.