Home / 25,409.70-38,107.26-17,667.72

Finding the Fourth Proportional to 25,409.70, 38,107.26 and 17,667.72

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Solution

The fourth proportional to 25,409.70, 38,107.26 and 17,667.72 is: 26,496.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,409.70 : 38,107.26 = 17,667.72 : x
  2. Step 2: Convert to fraction form
    25,409.70/38,107.26 = 17,667.72/x
  3. Step 3: Cross multiply
    25,409.70x = 38,107.26 × 17,667.72
  4. Step 4: Simplify right side
    25,409.70x = 673,268,399.65
  5. Step 5: Solve for x
    x = 673,268,399.65/25,409.70
  6. Step 6: Final answer
    x = 26,496.51

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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.