Home / 21,033.03-29,024.62-11,472.69

Finding the Fourth Proportional to 21,033.03, 29,024.62 and 11,472.69

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Solution

The fourth proportional to 21,033.03, 29,024.62 and 11,472.69 is: 15,831.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,033.03 : 29,024.62 = 11,472.69 : x
  2. Step 2: Convert to fraction form
    21,033.03/29,024.62 = 11,472.69/x
  3. Step 3: Cross multiply
    21,033.03x = 29,024.62 × 11,472.69
  4. Step 4: Simplify right side
    21,033.03x = 332,990,467.63
  5. Step 5: Solve for x
    x = 332,990,467.63/21,033.03
  6. Step 6: Final answer
    x = 15,831.79

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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.