Home / 19,619.91-29,426.99-6,470.60

Finding the Fourth Proportional to 19,619.91, 29,426.99 and 6,470.60

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Solution

The fourth proportional to 19,619.91, 29,426.99 and 6,470.60 is: 9,704.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,619.91 : 29,426.99 = 6,470.60 : x
  2. Step 2: Convert to fraction form
    19,619.91/29,426.99 = 6,470.60/x
  3. Step 3: Cross multiply
    19,619.91x = 29,426.99 × 6,470.60
  4. Step 4: Simplify right side
    19,619.91x = 190,410,102.01
  5. Step 5: Solve for x
    x = 190,410,102.01/19,619.91
  6. Step 6: Final answer
    x = 9,704.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.