Home / 13,858.76-19,124.88-8,268.68

Finding the Fourth Proportional to 13,858.76, 19,124.88 and 8,268.68

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Solution

The fourth proportional to 13,858.76, 19,124.88 and 8,268.68 is: 11,410.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,858.76 : 19,124.88 = 8,268.68 : x
  2. Step 2: Convert to fraction form
    13,858.76/19,124.88 = 8,268.68/x
  3. Step 3: Cross multiply
    13,858.76x = 19,124.88 × 8,268.68
  4. Step 4: Simplify right side
    13,858.76x = 158,137,512.76
  5. Step 5: Solve for x
    x = 158,137,512.76/13,858.76
  6. Step 6: Final answer
    x = 11,410.65

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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.