Home / 20,042.88-27,661.56-14,739.48

Finding the Fourth Proportional to 20,042.88, 27,661.56 and 14,739.48

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Solution

The fourth proportional to 20,042.88, 27,661.56 and 14,739.48 is: 20,342.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,042.88 : 27,661.56 = 14,739.48 : x
  2. Step 2: Convert to fraction form
    20,042.88/27,661.56 = 14,739.48/x
  3. Step 3: Cross multiply
    20,042.88x = 27,661.56 × 14,739.48
  4. Step 4: Simplify right side
    20,042.88x = 407,717,010.39
  5. Step 5: Solve for x
    x = 407,717,010.39/20,042.88
  6. Step 6: Final answer
    x = 20,342.24

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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.