Home / 18,770.54-25,895.97-12,055.23

Finding the Fourth Proportional to 18,770.54, 25,895.97 and 12,055.23

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Solution

The fourth proportional to 18,770.54, 25,895.97 and 12,055.23 is: 16,631.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,770.54 : 25,895.97 = 12,055.23 : x
  2. Step 2: Convert to fraction form
    18,770.54/25,895.97 = 12,055.23/x
  3. Step 3: Cross multiply
    18,770.54x = 25,895.97 × 12,055.23
  4. Step 4: Simplify right side
    18,770.54x = 312,181,874.42
  5. Step 5: Solve for x
    x = 312,181,874.42/18,770.54
  6. Step 6: Final answer
    x = 16,631.49

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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.