Home / 25,783.92-38,626.47-17,449.56

Finding the Fourth Proportional to 25,783.92, 38,626.47 and 17,449.56

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Solution

The fourth proportional to 25,783.92, 38,626.47 and 17,449.56 is: 26,140.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,783.92 : 38,626.47 = 17,449.56 : x
  2. Step 2: Convert to fraction form
    25,783.92/38,626.47 = 17,449.56/x
  3. Step 3: Cross multiply
    25,783.92x = 38,626.47 × 17,449.56
  4. Step 4: Simplify right side
    25,783.92x = 674,014,905.85
  5. Step 5: Solve for x
    x = 674,014,905.85/25,783.92
  6. Step 6: Final answer
    x = 26,140.90

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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.