Home / 20,186.05-27,827.88-14,199.14

Finding the Fourth Proportional to 20,186.05, 27,827.88 and 14,199.14

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Solution

The fourth proportional to 20,186.05, 27,827.88 and 14,199.14 is: 19,574.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,186.05 : 27,827.88 = 14,199.14 : x
  2. Step 2: Convert to fraction form
    20,186.05/27,827.88 = 14,199.14/x
  3. Step 3: Cross multiply
    20,186.05x = 27,827.88 × 14,199.14
  4. Step 4: Simplify right side
    20,186.05x = 395,131,894.45
  5. Step 5: Solve for x
    x = 395,131,894.45/20,186.05
  6. Step 6: Final answer
    x = 19,574.50

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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.