Home / 13,876.37-19,155.64-8,847.34

Finding the Fourth Proportional to 13,876.37, 19,155.64 and 8,847.34

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Solution

The fourth proportional to 13,876.37, 19,155.64 and 8,847.34 is: 12,213.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,876.37 : 19,155.64 = 8,847.34 : x
  2. Step 2: Convert to fraction form
    13,876.37/19,155.64 = 8,847.34/x
  3. Step 3: Cross multiply
    13,876.37x = 19,155.64 × 8,847.34
  4. Step 4: Simplify right side
    13,876.37x = 169,476,460.00
  5. Step 5: Solve for x
    x = 169,476,460.00/13,876.37
  6. Step 6: Final answer
    x = 12,213.31

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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.