Home / 43,993.08-65,988.54-12,828.60

Finding the Fourth Proportional to 43,993.08, 65,988.54 and 12,828.60

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Solution

The fourth proportional to 43,993.08, 65,988.54 and 12,828.60 is: 19,242.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,993.08 : 65,988.54 = 12,828.60 : x
  2. Step 2: Convert to fraction form
    43,993.08/65,988.54 = 12,828.60/x
  3. Step 3: Cross multiply
    43,993.08x = 65,988.54 × 12,828.60
  4. Step 4: Simplify right side
    43,993.08x = 846,540,584.24
  5. Step 5: Solve for x
    x = 846,540,584.24/43,993.08
  6. Step 6: Final answer
    x = 19,242.59

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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.