Home / 27,577.70-41,383.56-12,783.86

Finding the Fourth Proportional to 27,577.70, 41,383.56 and 12,783.86

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Solution

The fourth proportional to 27,577.70, 41,383.56 and 12,783.86 is: 19,183.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,577.70 : 41,383.56 = 12,783.86 : x
  2. Step 2: Convert to fraction form
    27,577.70/41,383.56 = 12,783.86/x
  3. Step 3: Cross multiply
    27,577.70x = 41,383.56 × 12,783.86
  4. Step 4: Simplify right side
    27,577.70x = 529,041,637.34
  5. Step 5: Solve for x
    x = 529,041,637.34/27,577.70
  6. Step 6: Final answer
    x = 19,183.68

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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.