Home / 14,118.75-21,178.13-4,884.75

Finding the Fourth Proportional to 14,118.75, 21,178.13 and 4,884.75

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Solution

The fourth proportional to 14,118.75, 21,178.13 and 4,884.75 is: 7,327.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,118.75 : 21,178.13 = 4,884.75 : x
  2. Step 2: Convert to fraction form
    14,118.75/21,178.13 = 4,884.75/x
  3. Step 3: Cross multiply
    14,118.75x = 21,178.13 × 4,884.75
  4. Step 4: Simplify right side
    14,118.75x = 103,449,846.09
  5. Step 5: Solve for x
    x = 103,449,846.09/14,118.75
  6. Step 6: Final answer
    x = 7,327.13

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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.