Home / 25,816.21-38,724.36-9,176.21

Finding the Fourth Proportional to 25,816.21, 38,724.36 and 9,176.21

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Solution

The fourth proportional to 25,816.21, 38,724.36 and 9,176.21 is: 13,764.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,816.21 : 38,724.36 = 9,176.21 : x
  2. Step 2: Convert to fraction form
    25,816.21/38,724.36 = 9,176.21/x
  3. Step 3: Cross multiply
    25,816.21x = 38,724.36 × 9,176.21
  4. Step 4: Simplify right side
    25,816.21x = 355,342,859.48
  5. Step 5: Solve for x
    x = 355,342,859.48/25,816.21
  6. Step 6: Final answer
    x = 13,764.33

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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.