Home / 14,043.92-19,380.52-7,756.28

Finding the Fourth Proportional to 14,043.92, 19,380.52 and 7,756.28

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Solution

The fourth proportional to 14,043.92, 19,380.52 and 7,756.28 is: 10,703.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,043.92 : 19,380.52 = 7,756.28 : x
  2. Step 2: Convert to fraction form
    14,043.92/19,380.52 = 7,756.28/x
  3. Step 3: Cross multiply
    14,043.92x = 19,380.52 × 7,756.28
  4. Step 4: Simplify right side
    14,043.92x = 150,320,739.67
  5. Step 5: Solve for x
    x = 150,320,739.67/14,043.92
  6. Step 6: Final answer
    x = 10,703.62

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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.