Home / 25,912.32-38,834.64-11,867.28

Finding the Fourth Proportional to 25,912.32, 38,834.64 and 11,867.28

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Solution

The fourth proportional to 25,912.32, 38,834.64 and 11,867.28 is: 17,785.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,912.32 : 38,834.64 = 11,867.28 : x
  2. Step 2: Convert to fraction form
    25,912.32/38,834.64 = 11,867.28/x
  3. Step 3: Cross multiply
    25,912.32x = 38,834.64 × 11,867.28
  4. Step 4: Simplify right side
    25,912.32x = 460,861,546.58
  5. Step 5: Solve for x
    x = 460,861,546.58/25,912.32
  6. Step 6: Final answer
    x = 17,785.42

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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.