Home / 14,004.75-19,326.37-7,631.61

Finding the Fourth Proportional to 14,004.75, 19,326.37 and 7,631.61

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Solution

The fourth proportional to 14,004.75, 19,326.37 and 7,631.61 is: 10,531.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,004.75 : 19,326.37 = 7,631.61 : x
  2. Step 2: Convert to fraction form
    14,004.75/19,326.37 = 7,631.61/x
  3. Step 3: Cross multiply
    14,004.75x = 19,326.37 × 7,631.61
  4. Step 4: Simplify right side
    14,004.75x = 147,491,318.56
  5. Step 5: Solve for x
    x = 147,491,318.56/14,004.75
  6. Step 6: Final answer
    x = 10,531.52

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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.