Home / 19,577.96-27,012.90-11,192.36

Finding the Fourth Proportional to 19,577.96, 27,012.90 and 11,192.36

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Solution

The fourth proportional to 19,577.96, 27,012.90 and 11,192.36 is: 15,442.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,577.96 : 27,012.90 = 11,192.36 : x
  2. Step 2: Convert to fraction form
    19,577.96/27,012.90 = 11,192.36/x
  3. Step 3: Cross multiply
    19,577.96x = 27,012.90 × 11,192.36
  4. Step 4: Simplify right side
    19,577.96x = 302,338,101.44
  5. Step 5: Solve for x
    x = 302,338,101.44/19,577.96
  6. Step 6: Final answer
    x = 15,442.78

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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.