Home / 13,789.24-19,033.48-7,824.86

Finding the Fourth Proportional to 13,789.24, 19,033.48 and 7,824.86

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Solution

The fourth proportional to 13,789.24, 19,033.48 and 7,824.86 is: 10,800.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,789.24 : 19,033.48 = 7,824.86 : x
  2. Step 2: Convert to fraction form
    13,789.24/19,033.48 = 7,824.86/x
  3. Step 3: Cross multiply
    13,789.24x = 19,033.48 × 7,824.86
  4. Step 4: Simplify right side
    13,789.24x = 148,934,316.31
  5. Step 5: Solve for x
    x = 148,934,316.31/13,789.24
  6. Step 6: Final answer
    x = 10,800.76

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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.