Home / 43,498.03-65,256.78-13,917.64

Finding the Fourth Proportional to 43,498.03, 65,256.78 and 13,917.64

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Solution

The fourth proportional to 43,498.03, 65,256.78 and 13,917.64 is: 20,879.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,498.03 : 65,256.78 = 13,917.64 : x
  2. Step 2: Convert to fraction form
    43,498.03/65,256.78 = 13,917.64/x
  3. Step 3: Cross multiply
    43,498.03x = 65,256.78 × 13,917.64
  4. Step 4: Simplify right side
    43,498.03x = 908,220,371.60
  5. Step 5: Solve for x
    x = 908,220,371.60/43,498.03
  6. Step 6: Final answer
    x = 20,879.57

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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.