Home / 20,193.18-30,302.73-9,799.26

Finding the Fourth Proportional to 20,193.18, 30,302.73 and 9,799.26

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Solution

The fourth proportional to 20,193.18, 30,302.73 and 9,799.26 is: 14,705.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,193.18 : 30,302.73 = 9,799.26 : x
  2. Step 2: Convert to fraction form
    20,193.18/30,302.73 = 9,799.26/x
  3. Step 3: Cross multiply
    20,193.18x = 30,302.73 × 9,799.26
  4. Step 4: Simplify right side
    20,193.18x = 296,944,329.98
  5. Step 5: Solve for x
    x = 296,944,329.98/20,193.18
  6. Step 6: Final answer
    x = 14,705.18

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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.