Home / 19,190.82-28,767.76-9,835.26

Finding the Fourth Proportional to 19,190.82, 28,767.76 and 9,835.26

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Solution

The fourth proportional to 19,190.82, 28,767.76 and 9,835.26 is: 14,743.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,190.82 : 28,767.76 = 9,835.26 : x
  2. Step 2: Convert to fraction form
    19,190.82/28,767.76 = 9,835.26/x
  3. Step 3: Cross multiply
    19,190.82x = 28,767.76 × 9,835.26
  4. Step 4: Simplify right side
    19,190.82x = 282,938,399.22
  5. Step 5: Solve for x
    x = 282,938,399.22/19,190.82
  6. Step 6: Final answer
    x = 14,743.42

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1.5x scale

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.