Home / 43,651.38-65,486.18-14,072.20

Finding the Fourth Proportional to 43,651.38, 65,486.18 and 14,072.20

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Solution

The fourth proportional to 43,651.38, 65,486.18 and 14,072.20 is: 21,111.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,651.38 : 65,486.18 = 14,072.20 : x
  2. Step 2: Convert to fraction form
    43,651.38/65,486.18 = 14,072.20/x
  3. Step 3: Cross multiply
    43,651.38x = 65,486.18 × 14,072.20
  4. Step 4: Simplify right side
    43,651.38x = 921,534,622.20
  5. Step 5: Solve for x
    x = 921,534,622.20/43,651.38
  6. Step 6: Final answer
    x = 21,111.24

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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.