Home / 12,333.25-18,499.88-4,125.25

Finding the Fourth Proportional to 12,333.25, 18,499.88 and 4,125.25

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Solution

The fourth proportional to 12,333.25, 18,499.88 and 4,125.25 is: 6,187.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,333.25 : 18,499.88 = 4,125.25 : x
  2. Step 2: Convert to fraction form
    12,333.25/18,499.88 = 4,125.25/x
  3. Step 3: Cross multiply
    12,333.25x = 18,499.88 × 4,125.25
  4. Step 4: Simplify right side
    12,333.25x = 76,316,629.97
  5. Step 5: Solve for x
    x = 76,316,629.97/12,333.25
  6. Step 6: Final answer
    x = 6,187.88

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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.