Home / 15,544.18-21,449.37-9,255.34

Finding the Fourth Proportional to 15,544.18, 21,449.37 and 9,255.34

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Solution

The fourth proportional to 15,544.18, 21,449.37 and 9,255.34 is: 12,771.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,544.18 : 21,449.37 = 9,255.34 : x
  2. Step 2: Convert to fraction form
    15,544.18/21,449.37 = 9,255.34/x
  3. Step 3: Cross multiply
    15,544.18x = 21,449.37 × 9,255.34
  4. Step 4: Simplify right side
    15,544.18x = 198,521,212.14
  5. Step 5: Solve for x
    x = 198,521,212.14/15,544.18
  6. Step 6: Final answer
    x = 12,771.42

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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.