Home / 23,308.70-35,138.75-21,805.34

Finding the Fourth Proportional to 23,308.70, 35,138.75 and 21,805.34

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Solution

The fourth proportional to 23,308.70, 35,138.75 and 21,805.34 is: 32,872.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,308.70 : 35,138.75 = 21,805.34 : x
  2. Step 2: Convert to fraction form
    23,308.70/35,138.75 = 21,805.34/x
  3. Step 3: Cross multiply
    23,308.70x = 35,138.75 × 21,805.34
  4. Step 4: Simplify right side
    23,308.70x = 766,212,106.20
  5. Step 5: Solve for x
    x = 766,212,106.20/23,308.70
  6. Step 6: Final answer
    x = 32,872.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.