Home / 16,693.78-23,027.19-13,103.34

Finding the Fourth Proportional to 16,693.78, 23,027.19 and 13,103.34

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Solution

The fourth proportional to 16,693.78, 23,027.19 and 13,103.34 is: 18,074.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,693.78 : 23,027.19 = 13,103.34 : x
  2. Step 2: Convert to fraction form
    16,693.78/23,027.19 = 13,103.34/x
  3. Step 3: Cross multiply
    16,693.78x = 23,027.19 × 13,103.34
  4. Step 4: Simplify right side
    16,693.78x = 301,733,099.81
  5. Step 5: Solve for x
    x = 301,733,099.81/16,693.78
  6. Step 6: Final answer
    x = 18,074.58

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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.