Home / 14,951.25-20,483.31-14,390.73

Finding the Fourth Proportional to 14,951.25, 20,483.31 and 14,390.73

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Solution

The fourth proportional to 14,951.25, 20,483.31 and 14,390.73 is: 19,715.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,951.25 : 20,483.31 = 14,390.73 : x
  2. Step 2: Convert to fraction form
    14,951.25/20,483.31 = 14,390.73/x
  3. Step 3: Cross multiply
    14,951.25x = 20,483.31 × 14,390.73
  4. Step 4: Simplify right side
    14,951.25x = 294,769,783.72
  5. Step 5: Solve for x
    x = 294,769,783.72/14,951.25
  6. Step 6: Final answer
    x = 19,715.39

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.