Home / 26,587.78-36,693.72-19,861.73

Finding the Fourth Proportional to 26,587.78, 36,693.72 and 19,861.73

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Solution

The fourth proportional to 26,587.78, 36,693.72 and 19,861.73 is: 27,411.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,587.78 : 36,693.72 = 19,861.73 : x
  2. Step 2: Convert to fraction form
    26,587.78/36,693.72 = 19,861.73/x
  3. Step 3: Cross multiply
    26,587.78x = 36,693.72 × 19,861.73
  4. Step 4: Simplify right side
    26,587.78x = 728,800,759.34
  5. Step 5: Solve for x
    x = 728,800,759.34/26,587.78
  6. Step 6: Final answer
    x = 27,411.12

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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.