Home / 30,303.06-41,818.11-16,874.48

Finding the Fourth Proportional to 30,303.06, 41,818.11 and 16,874.48

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Solution

The fourth proportional to 30,303.06, 41,818.11 and 16,874.48 is: 23,286.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,303.06 : 41,818.11 = 16,874.48 : x
  2. Step 2: Convert to fraction form
    30,303.06/41,818.11 = 16,874.48/x
  3. Step 3: Cross multiply
    30,303.06x = 41,818.11 × 16,874.48
  4. Step 4: Simplify right side
    30,303.06x = 705,658,651.74
  5. Step 5: Solve for x
    x = 705,658,651.74/30,303.06
  6. Step 6: Final answer
    x = 23,286.71

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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.