Home / 43,903.35-65,854.76-14,321.21

Finding the Fourth Proportional to 43,903.35, 65,854.76 and 14,321.21

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Solution

The fourth proportional to 43,903.35, 65,854.76 and 14,321.21 is: 21,481.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,903.35 : 65,854.76 = 14,321.21 : x
  2. Step 2: Convert to fraction form
    43,903.35/65,854.76 = 14,321.21/x
  3. Step 3: Cross multiply
    43,903.35x = 65,854.76 × 14,321.21
  4. Step 4: Simplify right side
    43,903.35x = 943,119,446.58
  5. Step 5: Solve for x
    x = 943,119,446.58/43,903.35
  6. Step 6: Final answer
    x = 21,481.72

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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.