Home / 22,205.21-30,628.73-14,234.81

Finding the Fourth Proportional to 22,205.21, 30,628.73 and 14,234.81

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Solution

The fourth proportional to 22,205.21, 30,628.73 and 14,234.81 is: 19,634.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,205.21 : 30,628.73 = 14,234.81 : x
  2. Step 2: Convert to fraction form
    22,205.21/30,628.73 = 14,234.81/x
  3. Step 3: Cross multiply
    22,205.21x = 30,628.73 × 14,234.81
  4. Step 4: Simplify right side
    22,205.21x = 435,994,034.53
  5. Step 5: Solve for x
    x = 435,994,034.53/22,205.21
  6. Step 6: Final answer
    x = 19,634.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.