Home / 14,895.74-20,556.34-8,181.97

Finding the Fourth Proportional to 14,895.74, 20,556.34 and 8,181.97

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Solution

The fourth proportional to 14,895.74, 20,556.34 and 8,181.97 is: 11,291.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,895.74 : 20,556.34 = 8,181.97 : x
  2. Step 2: Convert to fraction form
    14,895.74/20,556.34 = 8,181.97/x
  3. Step 3: Cross multiply
    14,895.74x = 20,556.34 × 8,181.97
  4. Step 4: Simplify right side
    14,895.74x = 168,191,357.19
  5. Step 5: Solve for x
    x = 168,191,357.19/14,895.74
  6. Step 6: Final answer
    x = 11,291.24

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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.