Home / 12,349.88-18,527.78-4,029.92

Finding the Fourth Proportional to 12,349.88, 18,527.78 and 4,029.92

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Solution

The fourth proportional to 12,349.88, 18,527.78 and 4,029.92 is: 6,045.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,349.88 : 18,527.78 = 4,029.92 : x
  2. Step 2: Convert to fraction form
    12,349.88/18,527.78 = 4,029.92/x
  3. Step 3: Cross multiply
    12,349.88x = 18,527.78 × 4,029.92
  4. Step 4: Simplify right side
    12,349.88x = 74,665,415.80
  5. Step 5: Solve for x
    x = 74,665,415.80/12,349.88
  6. Step 6: Final answer
    x = 6,045.84

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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.