Home / 26,662.43-39,989.53-8,893.40

Finding the Fourth Proportional to 26,662.43, 39,989.53 and 8,893.40

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Solution

The fourth proportional to 26,662.43, 39,989.53 and 8,893.40 is: 13,338.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,662.43 : 39,989.53 = 8,893.40 : x
  2. Step 2: Convert to fraction form
    26,662.43/39,989.53 = 8,893.40/x
  3. Step 3: Cross multiply
    26,662.43x = 39,989.53 × 8,893.40
  4. Step 4: Simplify right side
    26,662.43x = 355,642,886.10
  5. Step 5: Solve for x
    x = 355,642,886.10/26,662.43
  6. Step 6: Final answer
    x = 13,338.73

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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.