Home / 19,359.24-29,039.04-6,879.48

Finding the Fourth Proportional to 19,359.24, 29,039.04 and 6,879.48

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Solution

The fourth proportional to 19,359.24, 29,039.04 and 6,879.48 is: 10,319.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,359.24 : 29,039.04 = 6,879.48 : x
  2. Step 2: Convert to fraction form
    19,359.24/29,039.04 = 6,879.48/x
  3. Step 3: Cross multiply
    19,359.24x = 29,039.04 × 6,879.48
  4. Step 4: Simplify right side
    19,359.24x = 199,773,494.90
  5. Step 5: Solve for x
    x = 199,773,494.90/19,359.24
  6. Step 6: Final answer
    x = 10,319.28

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1.5x scale

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.