Home / 19,786.08-29,656.08-11,005.44

Finding the Fourth Proportional to 19,786.08, 29,656.08 and 11,005.44

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Solution

The fourth proportional to 19,786.08, 29,656.08 and 11,005.44 is: 16,495.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,786.08 : 29,656.08 = 11,005.44 : x
  2. Step 2: Convert to fraction form
    19,786.08/29,656.08 = 11,005.44/x
  3. Step 3: Cross multiply
    19,786.08x = 29,656.08 × 11,005.44
  4. Step 4: Simplify right side
    19,786.08x = 326,378,209.08
  5. Step 5: Solve for x
    x = 326,378,209.08/19,786.08
  6. Step 6: Final answer
    x = 16,495.34

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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.