Home / 25,989.35-38,988.83-8,224.47

Finding the Fourth Proportional to 25,989.35, 38,988.83 and 8,224.47

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Solution

The fourth proportional to 25,989.35, 38,988.83 and 8,224.47 is: 12,338.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,989.35 : 38,988.83 = 8,224.47 : x
  2. Step 2: Convert to fraction form
    25,989.35/38,988.83 = 8,224.47/x
  3. Step 3: Cross multiply
    25,989.35x = 38,988.83 × 8,224.47
  4. Step 4: Simplify right side
    25,989.35x = 320,662,436.97
  5. Step 5: Solve for x
    x = 320,662,436.97/25,989.35
  6. Step 6: Final answer
    x = 12,338.23

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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.