Home / 22,256.80-33,336.60-15,647.20

Finding the Fourth Proportional to 22,256.80, 33,336.60 and 15,647.20

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Solution

The fourth proportional to 22,256.80, 33,336.60 and 15,647.20 is: 23,436.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,256.80 : 33,336.60 = 15,647.20 : x
  2. Step 2: Convert to fraction form
    22,256.80/33,336.60 = 15,647.20/x
  3. Step 3: Cross multiply
    22,256.80x = 33,336.60 × 15,647.20
  4. Step 4: Simplify right side
    22,256.80x = 521,624,447.52
  5. Step 5: Solve for x
    x = 521,624,447.52/22,256.80
  6. Step 6: Final answer
    x = 23,436.63

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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.