Home / 15,474.96-21,366.56-9,514.64

Finding the Fourth Proportional to 15,474.96, 21,366.56 and 9,514.64

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Solution

The fourth proportional to 15,474.96, 21,366.56 and 9,514.64 is: 13,137.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,474.96 : 21,366.56 = 9,514.64 : x
  2. Step 2: Convert to fraction form
    15,474.96/21,366.56 = 9,514.64/x
  3. Step 3: Cross multiply
    15,474.96x = 21,366.56 × 9,514.64
  4. Step 4: Simplify right side
    15,474.96x = 203,295,126.44
  5. Step 5: Solve for x
    x = 203,295,126.44/15,474.96
  6. Step 6: Final answer
    x = 13,137.04

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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.