Home / 13,789.56-19,029.84-7,502.04

Finding the Fourth Proportional to 13,789.56, 19,029.84 and 7,502.04

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Solution

The fourth proportional to 13,789.56, 19,029.84 and 7,502.04 is: 10,352.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,789.56 : 19,029.84 = 7,502.04 : x
  2. Step 2: Convert to fraction form
    13,789.56/19,029.84 = 7,502.04/x
  3. Step 3: Cross multiply
    13,789.56x = 19,029.84 × 7,502.04
  4. Step 4: Simplify right side
    13,789.56x = 142,762,620.87
  5. Step 5: Solve for x
    x = 142,762,620.87/13,789.56
  6. Step 6: Final answer
    x = 10,352.95

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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.