Home / 43,598.50-65,398.37-12,433.75

Finding the Fourth Proportional to 43,598.50, 65,398.37 and 12,433.75

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Solution

The fourth proportional to 43,598.50, 65,398.37 and 12,433.75 is: 18,650.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,598.50 : 65,398.37 = 12,433.75 : x
  2. Step 2: Convert to fraction form
    43,598.50/65,398.37 = 12,433.75/x
  3. Step 3: Cross multiply
    43,598.50x = 65,398.37 × 12,433.75
  4. Step 4: Simplify right side
    43,598.50x = 813,146,982.99
  5. Step 5: Solve for x
    x = 813,146,982.99/43,598.50
  6. Step 6: Final answer
    x = 18,650.80

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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.