Home / 19,865.22-29,801.50-6,538.96

Finding the Fourth Proportional to 19,865.22, 29,801.50 and 6,538.96

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Solution

The fourth proportional to 19,865.22, 29,801.50 and 6,538.96 is: 9,809.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,865.22 : 29,801.50 = 6,538.96 : x
  2. Step 2: Convert to fraction form
    19,865.22/29,801.50 = 6,538.96/x
  3. Step 3: Cross multiply
    19,865.22x = 29,801.50 × 6,538.96
  4. Step 4: Simplify right side
    19,865.22x = 194,870,816.44
  5. Step 5: Solve for x
    x = 194,870,816.44/19,865.22
  6. Step 6: Final answer
    x = 9,809.65

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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.