Home / 19,893.76-27,440.85-14,784.73

Finding the Fourth Proportional to 19,893.76, 27,440.85 and 14,784.73

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Solution

The fourth proportional to 19,893.76, 27,440.85 and 14,784.73 is: 20,393.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,893.76 : 27,440.85 = 14,784.73 : x
  2. Step 2: Convert to fraction form
    19,893.76/27,440.85 = 14,784.73/x
  3. Step 3: Cross multiply
    19,893.76x = 27,440.85 × 14,784.73
  4. Step 4: Simplify right side
    19,893.76x = 405,705,558.22
  5. Step 5: Solve for x
    x = 405,705,558.22/19,893.76
  6. Step 6: Final answer
    x = 20,393.61

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Double scale
Find fourth proportional to 19,894.76, 27,442.23 and 14,785.73
Similar ratio
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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.