Home / 20,021.52-27,636.26-14,054.66

Finding the Fourth Proportional to 20,021.52, 27,636.26 and 14,054.66

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Solution

The fourth proportional to 20,021.52, 27,636.26 and 14,054.66 is: 19,400.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,021.52 : 27,636.26 = 14,054.66 : x
  2. Step 2: Convert to fraction form
    20,021.52/27,636.26 = 14,054.66/x
  3. Step 3: Cross multiply
    20,021.52x = 27,636.26 × 14,054.66
  4. Step 4: Simplify right side
    20,021.52x = 388,418,029.52
  5. Step 5: Solve for x
    x = 388,418,029.52/20,021.52
  6. Step 6: Final answer
    x = 19,400.03

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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.