Home / 25,550.77-38,331.92-7,783.02

Finding the Fourth Proportional to 25,550.77, 38,331.92 and 7,783.02

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Solution

The fourth proportional to 25,550.77, 38,331.92 and 7,783.02 is: 11,676.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,550.77 : 38,331.92 = 7,783.02 : x
  2. Step 2: Convert to fraction form
    25,550.77/38,331.92 = 7,783.02/x
  3. Step 3: Cross multiply
    25,550.77x = 38,331.92 × 7,783.02
  4. Step 4: Simplify right side
    25,550.77x = 298,337,869.42
  5. Step 5: Solve for x
    x = 298,337,869.42/25,550.77
  6. Step 6: Final answer
    x = 11,676.28

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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.