Home / 43,575.24-65,365.31-12,408.06

Finding the Fourth Proportional to 43,575.24, 65,365.31 and 12,408.06

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Solution

The fourth proportional to 43,575.24, 65,365.31 and 12,408.06 is: 18,612.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,575.24 : 65,365.31 = 12,408.06 : x
  2. Step 2: Convert to fraction form
    43,575.24/65,365.31 = 12,408.06/x
  3. Step 3: Cross multiply
    43,575.24x = 65,365.31 × 12,408.06
  4. Step 4: Simplify right side
    43,575.24x = 811,056,688.40
  5. Step 5: Solve for x
    x = 811,056,688.40/43,575.24
  6. Step 6: Final answer
    x = 18,612.79

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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.