Home / 19,326.12-28,996.48-6,845.64

Finding the Fourth Proportional to 19,326.12, 28,996.48 and 6,845.64

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Solution

The fourth proportional to 19,326.12, 28,996.48 and 6,845.64 is: 10,271.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,326.12 : 28,996.48 = 6,845.64 : x
  2. Step 2: Convert to fraction form
    19,326.12/28,996.48 = 6,845.64/x
  3. Step 3: Cross multiply
    19,326.12x = 28,996.48 × 6,845.64
  4. Step 4: Simplify right side
    19,326.12x = 198,499,463.35
  5. Step 5: Solve for x
    x = 198,499,463.35/19,326.12
  6. Step 6: Final answer
    x = 10,271.05

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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.