Home / 43,599.37-65,397.32-12,434.62

Finding the Fourth Proportional to 43,599.37, 65,397.32 and 12,434.62

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Solution

The fourth proportional to 43,599.37, 65,397.32 and 12,434.62 is: 18,651.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,599.37 : 65,397.32 = 12,434.62 : x
  2. Step 2: Convert to fraction form
    43,599.37/65,397.32 = 12,434.62/x
  3. Step 3: Cross multiply
    43,599.37x = 65,397.32 × 12,434.62
  4. Step 4: Simplify right side
    43,599.37x = 813,190,823.22
  5. Step 5: Solve for x
    x = 813,190,823.22/43,599.37
  6. Step 6: Final answer
    x = 18,651.44

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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.