Home / 19,186.14-28,779.54-5,859.42

Finding the Fourth Proportional to 19,186.14, 28,779.54 and 5,859.42

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Solution

The fourth proportional to 19,186.14, 28,779.54 and 5,859.42 is: 8,789.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,186.14 : 28,779.54 = 5,859.42 : x
  2. Step 2: Convert to fraction form
    19,186.14/28,779.54 = 5,859.42/x
  3. Step 3: Cross multiply
    19,186.14x = 28,779.54 × 5,859.42
  4. Step 4: Simplify right side
    19,186.14x = 168,631,412.27
  5. Step 5: Solve for x
    x = 168,631,412.27/19,186.14
  6. Step 6: Final answer
    x = 8,789.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.