Home / 14,895.95-20,556.27-8,181.68

Finding the Fourth Proportional to 14,895.95, 20,556.27 and 8,181.68

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Solution

The fourth proportional to 14,895.95, 20,556.27 and 8,181.68 is: 11,290.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,895.95 : 20,556.27 = 8,181.68 : x
  2. Step 2: Convert to fraction form
    14,895.95/20,556.27 = 8,181.68/x
  3. Step 3: Cross multiply
    14,895.95x = 20,556.27 × 8,181.68
  4. Step 4: Simplify right side
    14,895.95x = 168,184,720.35
  5. Step 5: Solve for x
    x = 168,184,720.35/14,895.95
  6. Step 6: Final answer
    x = 11,290.64

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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.