Home / 26,512.60-39,682.36-19,490.75

Finding the Fourth Proportional to 26,512.60, 39,682.36 and 19,490.75

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Solution

The fourth proportional to 26,512.60, 39,682.36 and 19,490.75 is: 29,172.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,512.60 : 39,682.36 = 19,490.75 : x
  2. Step 2: Convert to fraction form
    26,512.60/39,682.36 = 19,490.75/x
  3. Step 3: Cross multiply
    26,512.60x = 39,682.36 × 19,490.75
  4. Step 4: Simplify right side
    26,512.60x = 773,439,081.74
  5. Step 5: Solve for x
    x = 773,439,081.74/26,512.60
  6. Step 6: Final answer
    x = 29,172.51

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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.