Home / 20,795.67-28,698.10-11,364.44

Finding the Fourth Proportional to 20,795.67, 28,698.10 and 11,364.44

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Solution

The fourth proportional to 20,795.67, 28,698.10 and 11,364.44 is: 15,682.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,795.67 : 28,698.10 = 11,364.44 : x
  2. Step 2: Convert to fraction form
    20,795.67/28,698.10 = 11,364.44/x
  3. Step 3: Cross multiply
    20,795.67x = 28,698.10 × 11,364.44
  4. Step 4: Simplify right side
    20,795.67x = 326,137,663.66
  5. Step 5: Solve for x
    x = 326,137,663.66/20,795.67
  6. Step 6: Final answer
    x = 15,682.96

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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.