Home / 12,690.48-19,042.56-6,025.44

Finding the Fourth Proportional to 12,690.48, 19,042.56 and 6,025.44

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Solution

The fourth proportional to 12,690.48, 19,042.56 and 6,025.44 is: 9,041.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,690.48 : 19,042.56 = 6,025.44 : x
  2. Step 2: Convert to fraction form
    12,690.48/19,042.56 = 6,025.44/x
  3. Step 3: Cross multiply
    12,690.48x = 19,042.56 × 6,025.44
  4. Step 4: Simplify right side
    12,690.48x = 114,739,802.73
  5. Step 5: Solve for x
    x = 114,739,802.73/12,690.48
  6. Step 6: Final answer
    x = 9,041.41

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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.