Home / 19,447.13-29,169.32-11,100.98

Finding the Fourth Proportional to 19,447.13, 29,169.32 and 11,100.98

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Solution

The fourth proportional to 19,447.13, 29,169.32 and 11,100.98 is: 16,650.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,447.13 : 29,169.32 = 11,100.98 : x
  2. Step 2: Convert to fraction form
    19,447.13/29,169.32 = 11,100.98/x
  3. Step 3: Cross multiply
    19,447.13x = 29,169.32 × 11,100.98
  4. Step 4: Simplify right side
    19,447.13x = 323,808,055.35
  5. Step 5: Solve for x
    x = 323,808,055.35/19,447.13
  6. Step 6: Final answer
    x = 16,650.68

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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.