Home / 13,846.63-20,844.76-12,641.35

Finding the Fourth Proportional to 13,846.63, 20,844.76 and 12,641.35

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Solution

The fourth proportional to 13,846.63, 20,844.76 and 12,641.35 is: 19,030.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,846.63 : 20,844.76 = 12,641.35 : x
  2. Step 2: Convert to fraction form
    13,846.63/20,844.76 = 12,641.35/x
  3. Step 3: Cross multiply
    13,846.63x = 20,844.76 × 12,641.35
  4. Step 4: Simplify right side
    13,846.63x = 263,505,906.83
  5. Step 5: Solve for x
    x = 263,505,906.83/13,846.63
  6. Step 6: Final answer
    x = 19,030.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.