Home / 26,619.72-36,737.79-19,893.68

Finding the Fourth Proportional to 26,619.72, 36,737.79 and 19,893.68

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Solution

The fourth proportional to 26,619.72, 36,737.79 and 19,893.68 is: 27,455.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,619.72 : 36,737.79 = 19,893.68 : x
  2. Step 2: Convert to fraction form
    26,619.72/36,737.79 = 19,893.68/x
  3. Step 3: Cross multiply
    26,619.72x = 36,737.79 × 19,893.68
  4. Step 4: Simplify right side
    26,619.72x = 730,849,930.01
  5. Step 5: Solve for x
    x = 730,849,930.01/26,619.72
  6. Step 6: Final answer
    x = 27,455.21

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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.