Home / 22,161.36-33,232.30-8,300.64

Finding the Fourth Proportional to 22,161.36, 33,232.30 and 8,300.64

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Solution

The fourth proportional to 22,161.36, 33,232.30 and 8,300.64 is: 12,447.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,161.36 : 33,232.30 = 8,300.64 : x
  2. Step 2: Convert to fraction form
    22,161.36/33,232.30 = 8,300.64/x
  3. Step 3: Cross multiply
    22,161.36x = 33,232.30 × 8,300.64
  4. Step 4: Simplify right side
    22,161.36x = 275,849,358.67
  5. Step 5: Solve for x
    x = 275,849,358.67/22,161.36
  6. Step 6: Final answer
    x = 12,447.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.