Home / 19,785.51-29,651.52-8,092.35

Finding the Fourth Proportional to 19,785.51, 29,651.52 and 8,092.35

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Solution

The fourth proportional to 19,785.51, 29,651.52 and 8,092.35 is: 12,127.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,785.51 : 29,651.52 = 8,092.35 : x
  2. Step 2: Convert to fraction form
    19,785.51/29,651.52 = 8,092.35/x
  3. Step 3: Cross multiply
    19,785.51x = 29,651.52 × 8,092.35
  4. Step 4: Simplify right side
    19,785.51x = 239,950,477.87
  5. Step 5: Solve for x
    x = 239,950,477.87/19,785.51
  6. Step 6: Final answer
    x = 12,127.59

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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.