Home / 43,955.43-65,928.32-12,366.50

Finding the Fourth Proportional to 43,955.43, 65,928.32 and 12,366.50

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Solution

The fourth proportional to 43,955.43, 65,928.32 and 12,366.50 is: 18,548.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,955.43 : 65,928.32 = 12,366.50 : x
  2. Step 2: Convert to fraction form
    43,955.43/65,928.32 = 12,366.50/x
  3. Step 3: Cross multiply
    43,955.43x = 65,928.32 × 12,366.50
  4. Step 4: Simplify right side
    43,955.43x = 815,302,177.81
  5. Step 5: Solve for x
    x = 815,302,177.81/43,955.43
  6. Step 6: Final answer
    x = 18,548.38

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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.