Home / 22,076.88-30,466.09-12,646.05

Finding the Fourth Proportional to 22,076.88, 30,466.09 and 12,646.05

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Solution

The fourth proportional to 22,076.88, 30,466.09 and 12,646.05 is: 17,451.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,076.88 : 30,466.09 = 12,646.05 : x
  2. Step 2: Convert to fraction form
    22,076.88/30,466.09 = 12,646.05/x
  3. Step 3: Cross multiply
    22,076.88x = 30,466.09 × 12,646.05
  4. Step 4: Simplify right side
    22,076.88x = 385,275,697.44
  5. Step 5: Solve for x
    x = 385,275,697.44/22,076.88
  6. Step 6: Final answer
    x = 17,451.55

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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.