Home / 25,785.56-35,571.42-16,828.92

Finding the Fourth Proportional to 25,785.56, 35,571.42 and 16,828.92

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Solution

The fourth proportional to 25,785.56, 35,571.42 and 16,828.92 is: 23,215.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,785.56 : 35,571.42 = 16,828.92 : x
  2. Step 2: Convert to fraction form
    25,785.56/35,571.42 = 16,828.92/x
  3. Step 3: Cross multiply
    25,785.56x = 35,571.42 × 16,828.92
  4. Step 4: Simplify right side
    25,785.56x = 598,628,581.47
  5. Step 5: Solve for x
    x = 598,628,581.47/25,785.56
  6. Step 6: Final answer
    x = 23,215.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.