Home / 14,895.73-20,556.25-8,181.50

Finding the Fourth Proportional to 14,895.73, 20,556.25 and 8,181.50

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Solution

The fourth proportional to 14,895.73, 20,556.25 and 8,181.50 is: 11,290.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,895.73 : 20,556.25 = 8,181.50 : x
  2. Step 2: Convert to fraction form
    14,895.73/20,556.25 = 8,181.50/x
  3. Step 3: Cross multiply
    14,895.73x = 20,556.25 × 8,181.50
  4. Step 4: Simplify right side
    14,895.73x = 168,180,959.38
  5. Step 5: Solve for x
    x = 168,180,959.38/14,895.73
  6. Step 6: Final answer
    x = 11,290.55

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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.