Home / 14,806.94-20,433.60-8,433.25

Finding the Fourth Proportional to 14,806.94, 20,433.60 and 8,433.25

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Solution

The fourth proportional to 14,806.94, 20,433.60 and 8,433.25 is: 11,637.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,806.94 : 20,433.60 = 8,433.25 : x
  2. Step 2: Convert to fraction form
    14,806.94/20,433.60 = 8,433.25/x
  3. Step 3: Cross multiply
    14,806.94x = 20,433.60 × 8,433.25
  4. Step 4: Simplify right side
    14,806.94x = 172,321,606.12
  5. Step 5: Solve for x
    x = 172,321,606.12/14,806.94
  6. Step 6: Final answer
    x = 11,637.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.