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Finding the Fourth Proportional to 12,804.58, 19,195.15 and 10,842.83

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Solution

The fourth proportional to 12,804.58, 19,195.15 and 10,842.83 is: 16,254.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,804.58 : 19,195.15 = 10,842.83 : x
  2. Step 2: Convert to fraction form
    12,804.58/19,195.15 = 10,842.83/x
  3. Step 3: Cross multiply
    12,804.58x = 19,195.15 × 10,842.83
  4. Step 4: Simplify right side
    12,804.58x = 208,129,748.27
  5. Step 5: Solve for x
    x = 208,129,748.27/12,804.58
  6. Step 6: Final answer
    x = 16,254.32

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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.