Home / 23,981.04-33,108.03-21,321.09

Finding the Fourth Proportional to 23,981.04, 33,108.03 and 21,321.09

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Solution

The fourth proportional to 23,981.04, 33,108.03 and 21,321.09 is: 29,435.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,981.04 : 33,108.03 = 21,321.09 : x
  2. Step 2: Convert to fraction form
    23,981.04/33,108.03 = 21,321.09/x
  3. Step 3: Cross multiply
    23,981.04x = 33,108.03 × 21,321.09
  4. Step 4: Simplify right side
    23,981.04x = 705,899,287.35
  5. Step 5: Solve for x
    x = 705,899,287.35/23,981.04
  6. Step 6: Final answer
    x = 29,435.72

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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.