Home / 43,827.60-65,725.20-14,246.40

Finding the Fourth Proportional to 43,827.60, 65,725.20 and 14,246.40

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Solution

The fourth proportional to 43,827.60, 65,725.20 and 14,246.40 is: 21,364.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,827.60 : 65,725.20 = 14,246.40 : x
  2. Step 2: Convert to fraction form
    43,827.60/65,725.20 = 14,246.40/x
  3. Step 3: Cross multiply
    43,827.60x = 65,725.20 × 14,246.40
  4. Step 4: Simplify right side
    43,827.60x = 936,347,489.28
  5. Step 5: Solve for x
    x = 936,347,489.28/43,827.60
  6. Step 6: Final answer
    x = 21,364.33

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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.