Home / 43,992.18-65,974.38-14,403.21

Finding the Fourth Proportional to 43,992.18, 65,974.38 and 14,403.21

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Solution

The fourth proportional to 43,992.18, 65,974.38 and 14,403.21 is: 21,600.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,992.18 : 65,974.38 = 14,403.21 : x
  2. Step 2: Convert to fraction form
    43,992.18/65,974.38 = 14,403.21/x
  3. Step 3: Cross multiply
    43,992.18x = 65,974.38 × 14,403.21
  4. Step 4: Simplify right side
    43,992.18x = 950,242,849.76
  5. Step 5: Solve for x
    x = 950,242,849.76/43,992.18
  6. Step 6: Final answer
    x = 21,600.27

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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.