Home / 43,835.43-65,762.87-12,668.31

Finding the Fourth Proportional to 43,835.43, 65,762.87 and 12,668.31

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Solution

The fourth proportional to 43,835.43, 65,762.87 and 12,668.31 is: 19,005.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,835.43 : 65,762.87 = 12,668.31 : x
  2. Step 2: Convert to fraction form
    43,835.43/65,762.87 = 12,668.31/x
  3. Step 3: Cross multiply
    43,835.43x = 65,762.87 × 12,668.31
  4. Step 4: Simplify right side
    43,835.43x = 833,104,360.31
  5. Step 5: Solve for x
    x = 833,104,360.31/43,835.43
  6. Step 6: Final answer
    x = 19,005.27

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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.