Home / 19,658.22-29,467.08-12,635.52

Finding the Fourth Proportional to 19,658.22, 29,467.08 and 12,635.52

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Solution

The fourth proportional to 19,658.22, 29,467.08 and 12,635.52 is: 18,940.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,658.22 : 29,467.08 = 12,635.52 : x
  2. Step 2: Convert to fraction form
    19,658.22/29,467.08 = 12,635.52/x
  3. Step 3: Cross multiply
    19,658.22x = 29,467.08 × 12,635.52
  4. Step 4: Simplify right side
    19,658.22x = 372,331,878.68
  5. Step 5: Solve for x
    x = 372,331,878.68/19,658.22
  6. Step 6: Final answer
    x = 18,940.26

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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.