Home / 19,158.60-28,673.10-16,825.80

Finding the Fourth Proportional to 19,158.60, 28,673.10 and 16,825.80

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Solution

The fourth proportional to 19,158.60, 28,673.10 and 16,825.80 is: 25,181.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,158.60 : 28,673.10 = 16,825.80 : x
  2. Step 2: Convert to fraction form
    19,158.60/28,673.10 = 16,825.80/x
  3. Step 3: Cross multiply
    19,158.60x = 28,673.10 × 16,825.80
  4. Step 4: Simplify right side
    19,158.60x = 482,447,845.98
  5. Step 5: Solve for x
    x = 482,447,845.98/19,158.60
  6. Step 6: Final answer
    x = 25,181.79

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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.