Home / 14,043.96-19,380.78-7,756.44

Finding the Fourth Proportional to 14,043.96, 19,380.78 and 7,756.44

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Solution

The fourth proportional to 14,043.96, 19,380.78 and 7,756.44 is: 10,703.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,043.96 : 19,380.78 = 7,756.44 : x
  2. Step 2: Convert to fraction form
    14,043.96/19,380.78 = 7,756.44/x
  3. Step 3: Cross multiply
    14,043.96x = 19,380.78 × 7,756.44
  4. Step 4: Simplify right side
    14,043.96x = 150,325,857.22
  5. Step 5: Solve for x
    x = 150,325,857.22/14,043.96
  6. Step 6: Final answer
    x = 10,703.95

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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.