Home / 16,770.22-25,122.52-12,855.49

Finding the Fourth Proportional to 16,770.22, 25,122.52 and 12,855.49

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Solution

The fourth proportional to 16,770.22, 25,122.52 and 12,855.49 is: 19,258.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,770.22 : 25,122.52 = 12,855.49 : x
  2. Step 2: Convert to fraction form
    16,770.22/25,122.52 = 12,855.49/x
  3. Step 3: Cross multiply
    16,770.22x = 25,122.52 × 12,855.49
  4. Step 4: Simplify right side
    16,770.22x = 322,962,304.63
  5. Step 5: Solve for x
    x = 322,962,304.63/16,770.22
  6. Step 6: Final answer
    x = 19,258.08

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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.