Home / 18,733.68-25,855.20-18,152.64

Finding the Fourth Proportional to 18,733.68, 25,855.20 and 18,152.64

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Solution

The fourth proportional to 18,733.68, 25,855.20 and 18,152.64 is: 25,053.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,733.68 : 25,855.20 = 18,152.64 : x
  2. Step 2: Convert to fraction form
    18,733.68/25,855.20 = 18,152.64/x
  3. Step 3: Cross multiply
    18,733.68x = 25,855.20 × 18,152.64
  4. Step 4: Simplify right side
    18,733.68x = 469,340,137.73
  5. Step 5: Solve for x
    x = 469,340,137.73/18,733.68
  6. Step 6: Final answer
    x = 25,053.28

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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.