Home / 26,781.42-40,166.90-19,695.54

Finding the Fourth Proportional to 26,781.42, 40,166.90 and 19,695.54

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Solution

The fourth proportional to 26,781.42, 40,166.90 and 19,695.54 is: 29,539.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,781.42 : 40,166.90 = 19,695.54 : x
  2. Step 2: Convert to fraction form
    26,781.42/40,166.90 = 19,695.54/x
  3. Step 3: Cross multiply
    26,781.42x = 40,166.90 × 19,695.54
  4. Step 4: Simplify right side
    26,781.42x = 791,108,785.63
  5. Step 5: Solve for x
    x = 791,108,785.63/26,781.42
  6. Step 6: Final answer
    x = 29,539.46

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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.