Home / 20,186.42-27,828.38-14,199.50

Finding the Fourth Proportional to 20,186.42, 27,828.38 and 14,199.50

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Solution

The fourth proportional to 20,186.42, 27,828.38 and 14,199.50 is: 19,575.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,186.42 : 27,828.38 = 14,199.50 : x
  2. Step 2: Convert to fraction form
    20,186.42/27,828.38 = 14,199.50/x
  3. Step 3: Cross multiply
    20,186.42x = 27,828.38 × 14,199.50
  4. Step 4: Simplify right side
    20,186.42x = 395,149,239.41
  5. Step 5: Solve for x
    x = 395,149,239.41/20,186.42
  6. Step 6: Final answer
    x = 19,575.01

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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.