Home / 13,849.86-19,112.31-8,544.54

Finding the Fourth Proportional to 13,849.86, 19,112.31 and 8,544.54

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Solution

The fourth proportional to 13,849.86, 19,112.31 and 8,544.54 is: 11,791.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,849.86 : 19,112.31 = 8,544.54 : x
  2. Step 2: Convert to fraction form
    13,849.86/19,112.31 = 8,544.54/x
  3. Step 3: Cross multiply
    13,849.86x = 19,112.31 × 8,544.54
  4. Step 4: Simplify right side
    13,849.86x = 163,305,897.29
  5. Step 5: Solve for x
    x = 163,305,897.29/13,849.86
  6. Step 6: Final answer
    x = 11,791.16

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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.