Home / 19,910.22-29,805.93-12,095.34

Finding the Fourth Proportional to 19,910.22, 29,805.93 and 12,095.34

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Solution

The fourth proportional to 19,910.22, 29,805.93 and 12,095.34 is: 18,106.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,910.22 : 29,805.93 = 12,095.34 : x
  2. Step 2: Convert to fraction form
    19,910.22/29,805.93 = 12,095.34/x
  3. Step 3: Cross multiply
    19,910.22x = 29,805.93 × 12,095.34
  4. Step 4: Simplify right side
    19,910.22x = 360,512,857.37
  5. Step 5: Solve for x
    x = 360,512,857.37/19,910.22
  6. Step 6: Final answer
    x = 18,106.92

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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.