Home / 20,186.26-27,828.17-14,199.35

Finding the Fourth Proportional to 20,186.26, 27,828.17 and 14,199.35

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Solution

The fourth proportional to 20,186.26, 27,828.17 and 14,199.35 is: 19,574.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,186.26 : 27,828.17 = 14,199.35 : x
  2. Step 2: Convert to fraction form
    20,186.26/27,828.17 = 14,199.35/x
  3. Step 3: Cross multiply
    20,186.26x = 27,828.17 × 14,199.35
  4. Step 4: Simplify right side
    20,186.26x = 395,141,838.37
  5. Step 5: Solve for x
    x = 395,141,838.37/20,186.26
  6. Step 6: Final answer
    x = 19,574.79

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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.