Home / 25,349.76-38,028.96-7,816.32

Finding the Fourth Proportional to 25,349.76, 38,028.96 and 7,816.32

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Solution

The fourth proportional to 25,349.76, 38,028.96 and 7,816.32 is: 11,725.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,349.76 : 38,028.96 = 7,816.32 : x
  2. Step 2: Convert to fraction form
    25,349.76/38,028.96 = 7,816.32/x
  3. Step 3: Cross multiply
    25,349.76x = 38,028.96 × 7,816.32
  4. Step 4: Simplify right side
    25,349.76x = 297,246,520.63
  5. Step 5: Solve for x
    x = 297,246,520.63/25,349.76
  6. Step 6: Final answer
    x = 11,725.81

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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.