Home / 18,557.40-27,881.73-11,896.77

Finding the Fourth Proportional to 18,557.40, 27,881.73 and 11,896.77

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Solution

The fourth proportional to 18,557.40, 27,881.73 and 11,896.77 is: 17,874.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,557.40 : 27,881.73 = 11,896.77 : x
  2. Step 2: Convert to fraction form
    18,557.40/27,881.73 = 11,896.77/x
  3. Step 3: Cross multiply
    18,557.40x = 27,881.73 × 11,896.77
  4. Step 4: Simplify right side
    18,557.40x = 331,702,529.01
  5. Step 5: Solve for x
    x = 331,702,529.01/18,557.40
  6. Step 6: Final answer
    x = 17,874.41

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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.