Home / 13,312.44-19,926.54-8,364.96

Finding the Fourth Proportional to 13,312.44, 19,926.54 and 8,364.96

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Solution

The fourth proportional to 13,312.44, 19,926.54 and 8,364.96 is: 12,520.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,312.44 : 19,926.54 = 8,364.96 : x
  2. Step 2: Convert to fraction form
    13,312.44/19,926.54 = 8,364.96/x
  3. Step 3: Cross multiply
    13,312.44x = 19,926.54 × 8,364.96
  4. Step 4: Simplify right side
    13,312.44x = 166,684,710.04
  5. Step 5: Solve for x
    x = 166,684,710.04/13,312.44
  6. Step 6: Final answer
    x = 12,520.97

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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.