Home / 19,531.61-29,298.77-7,844.82

Finding the Fourth Proportional to 19,531.61, 29,298.77 and 7,844.82

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Solution

The fourth proportional to 19,531.61, 29,298.77 and 7,844.82 is: 11,767.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,531.61 : 29,298.77 = 7,844.82 : x
  2. Step 2: Convert to fraction form
    19,531.61/29,298.77 = 7,844.82/x
  3. Step 3: Cross multiply
    19,531.61x = 29,298.77 × 7,844.82
  4. Step 4: Simplify right side
    19,531.61x = 229,843,537.65
  5. Step 5: Solve for x
    x = 229,843,537.65/19,531.61
  6. Step 6: Final answer
    x = 11,767.78

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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.