Home / 18,207.84-25,124.08-10,249.60

Finding the Fourth Proportional to 18,207.84, 25,124.08 and 10,249.60

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Solution

The fourth proportional to 18,207.84, 25,124.08 and 10,249.60 is: 14,142.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,207.84 : 25,124.08 = 10,249.60 : x
  2. Step 2: Convert to fraction form
    18,207.84/25,124.08 = 10,249.60/x
  3. Step 3: Cross multiply
    18,207.84x = 25,124.08 × 10,249.60
  4. Step 4: Simplify right side
    18,207.84x = 257,511,770.37
  5. Step 5: Solve for x
    x = 257,511,770.37/18,207.84
  6. Step 6: Final answer
    x = 14,142.91

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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.