Home / 14,106.93-19,466.83-8,138.25

Finding the Fourth Proportional to 14,106.93, 19,466.83 and 8,138.25

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Solution

The fourth proportional to 14,106.93, 19,466.83 and 8,138.25 is: 11,230.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,106.93 : 19,466.83 = 8,138.25 : x
  2. Step 2: Convert to fraction form
    14,106.93/19,466.83 = 8,138.25/x
  3. Step 3: Cross multiply
    14,106.93x = 19,466.83 × 8,138.25
  4. Step 4: Simplify right side
    14,106.93x = 158,425,929.25
  5. Step 5: Solve for x
    x = 158,425,929.25/14,106.93
  6. Step 6: Final answer
    x = 11,230.36

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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.