Home / 20,007.59-27,577.55-14,188.64

Finding the Fourth Proportional to 20,007.59, 27,577.55 and 14,188.64

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Solution

The fourth proportional to 20,007.59, 27,577.55 and 14,188.64 is: 19,556.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,007.59 : 27,577.55 = 14,188.64 : x
  2. Step 2: Convert to fraction form
    20,007.59/27,577.55 = 14,188.64/x
  3. Step 3: Cross multiply
    20,007.59x = 27,577.55 × 14,188.64
  4. Step 4: Simplify right side
    20,007.59x = 391,287,858.09
  5. Step 5: Solve for x
    x = 391,287,858.09/20,007.59
  6. Step 6: Final answer
    x = 19,556.97

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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.