Home / 16,172.58-22,312.80-13,183.26

Finding the Fourth Proportional to 16,172.58, 22,312.80 and 13,183.26

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Solution

The fourth proportional to 16,172.58, 22,312.80 and 13,183.26 is: 18,188.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,172.58 : 22,312.80 = 13,183.26 : x
  2. Step 2: Convert to fraction form
    16,172.58/22,312.80 = 13,183.26/x
  3. Step 3: Cross multiply
    16,172.58x = 22,312.80 × 13,183.26
  4. Step 4: Simplify right side
    16,172.58x = 294,155,443.73
  5. Step 5: Solve for x
    x = 294,155,443.73/16,172.58
  6. Step 6: Final answer
    x = 18,188.53

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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.