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Finding the Fourth Proportional to 18,334.60, 25,616.60 and 18,334.60

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Solution

The fourth proportional to 18,334.60, 25,616.60 and 18,334.60 is: 25,616.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,334.60 : 25,616.60 = 18,334.60 : x
  2. Step 2: Convert to fraction form
    18,334.60/25,616.60 = 18,334.60/x
  3. Step 3: Cross multiply
    18,334.60x = 25,616.60 × 18,334.60
  4. Step 4: Simplify right side
    18,334.60x = 469,670,114.36
  5. Step 5: Solve for x
    x = 469,670,114.36/18,334.60
  6. Step 6: Final answer
    x = 25,616.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.