Home / 25,783.70-38,609.92-16,991.96

Finding the Fourth Proportional to 25,783.70, 38,609.92 and 16,991.96

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Solution

The fourth proportional to 25,783.70, 38,609.92 and 16,991.96 is: 25,444.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,783.70 : 38,609.92 = 16,991.96 : x
  2. Step 2: Convert to fraction form
    25,783.70/38,609.92 = 16,991.96/x
  3. Step 3: Cross multiply
    25,783.70x = 38,609.92 × 16,991.96
  4. Step 4: Simplify right side
    25,783.70x = 656,058,216.24
  5. Step 5: Solve for x
    x = 656,058,216.24/25,783.70
  6. Step 6: Final answer
    x = 25,444.69

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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.