Home / 22,256.37-33,385.58-12,388.22

Finding the Fourth Proportional to 22,256.37, 33,385.58 and 12,388.22

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Solution

The fourth proportional to 22,256.37, 33,385.58 and 12,388.22 is: 18,582.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,256.37 : 33,385.58 = 12,388.22 : x
  2. Step 2: Convert to fraction form
    22,256.37/33,385.58 = 12,388.22/x
  3. Step 3: Cross multiply
    22,256.37x = 33,385.58 × 12,388.22
  4. Step 4: Simplify right side
    22,256.37x = 413,587,776.17
  5. Step 5: Solve for x
    x = 413,587,776.17/22,256.37
  6. Step 6: Final answer
    x = 18,582.89

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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.