Home / 22,321.85-30,804.48-12,250.12

Finding the Fourth Proportional to 22,321.85, 30,804.48 and 12,250.12

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Solution

The fourth proportional to 22,321.85, 30,804.48 and 12,250.12 is: 16,905.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,321.85 : 30,804.48 = 12,250.12 : x
  2. Step 2: Convert to fraction form
    22,321.85/30,804.48 = 12,250.12/x
  3. Step 3: Cross multiply
    22,321.85x = 30,804.48 × 12,250.12
  4. Step 4: Simplify right side
    22,321.85x = 377,358,576.54
  5. Step 5: Solve for x
    x = 377,358,576.54/22,321.85
  6. Step 6: Final answer
    x = 16,905.35

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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.