Home / 14,895.51-20,556.33-8,181.32

Finding the Fourth Proportional to 14,895.51, 20,556.33 and 8,181.32

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Solution

The fourth proportional to 14,895.51, 20,556.33 and 8,181.32 is: 11,290.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,895.51 : 20,556.33 = 8,181.32 : x
  2. Step 2: Convert to fraction form
    14,895.51/20,556.33 = 8,181.32/x
  3. Step 3: Cross multiply
    14,895.51x = 20,556.33 × 8,181.32
  4. Step 4: Simplify right side
    14,895.51x = 168,177,913.76
  5. Step 5: Solve for x
    x = 168,177,913.76/14,895.51
  6. Step 6: Final answer
    x = 11,290.51

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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.