Home / 13,495.06-20,108.44-12,022.90

Finding the Fourth Proportional to 13,495.06, 20,108.44 and 12,022.90

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Solution

The fourth proportional to 13,495.06, 20,108.44 and 12,022.90 is: 17,914.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,495.06 : 20,108.44 = 12,022.90 : x
  2. Step 2: Convert to fraction form
    13,495.06/20,108.44 = 12,022.90/x
  3. Step 3: Cross multiply
    13,495.06x = 20,108.44 × 12,022.90
  4. Step 4: Simplify right side
    13,495.06x = 241,761,763.28
  5. Step 5: Solve for x
    x = 241,761,763.28/13,495.06
  6. Step 6: Final answer
    x = 17,914.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.