Home / 14,895.93-20,556.37-8,181.74

Finding the Fourth Proportional to 14,895.93, 20,556.37 and 8,181.74

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Solution

The fourth proportional to 14,895.93, 20,556.37 and 8,181.74 is: 11,290.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,895.93 : 20,556.37 = 8,181.74 : x
  2. Step 2: Convert to fraction form
    14,895.93/20,556.37 = 8,181.74/x
  3. Step 3: Cross multiply
    14,895.93x = 20,556.37 × 8,181.74
  4. Step 4: Simplify right side
    14,895.93x = 168,186,859.22
  5. Step 5: Solve for x
    x = 168,186,859.22/14,895.93
  6. Step 6: Final answer
    x = 11,290.79

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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.