Home / 14,105.60-19,464.46-8,055.78

Finding the Fourth Proportional to 14,105.60, 19,464.46 and 8,055.78

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Solution

The fourth proportional to 14,105.60, 19,464.46 and 8,055.78 is: 11,116.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,105.60 : 19,464.46 = 8,055.78 : x
  2. Step 2: Convert to fraction form
    14,105.60/19,464.46 = 8,055.78/x
  3. Step 3: Cross multiply
    14,105.60x = 19,464.46 × 8,055.78
  4. Step 4: Simplify right side
    14,105.60x = 156,801,407.58
  5. Step 5: Solve for x
    x = 156,801,407.58/14,105.60
  6. Step 6: Final answer
    x = 11,116.25

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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.