Home / 19,977.82-27,569.48-11,025.34

Finding the Fourth Proportional to 19,977.82, 27,569.48 and 11,025.34

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Solution

The fourth proportional to 19,977.82, 27,569.48 and 11,025.34 is: 15,215.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,977.82 : 27,569.48 = 11,025.34 : x
  2. Step 2: Convert to fraction form
    19,977.82/27,569.48 = 11,025.34/x
  3. Step 3: Cross multiply
    19,977.82x = 27,569.48 × 11,025.34
  4. Step 4: Simplify right side
    19,977.82x = 303,962,766.57
  5. Step 5: Solve for x
    x = 303,962,766.57/19,977.82
  6. Step 6: Final answer
    x = 15,215.01

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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.