Home / 43,467.94-65,201.20-13,885.58

Finding the Fourth Proportional to 43,467.94, 65,201.20 and 13,885.58

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Solution

The fourth proportional to 43,467.94, 65,201.20 and 13,885.58 is: 20,828.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,467.94 : 65,201.20 = 13,885.58 : x
  2. Step 2: Convert to fraction form
    43,467.94/65,201.20 = 13,885.58/x
  3. Step 3: Cross multiply
    43,467.94x = 65,201.20 × 13,885.58
  4. Step 4: Simplify right side
    43,467.94x = 905,356,478.70
  5. Step 5: Solve for x
    x = 905,356,478.70/43,467.94
  6. Step 6: Final answer
    x = 20,828.14

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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.