Home / 19,534.50-29,303.20-7,847.75

Finding the Fourth Proportional to 19,534.50, 29,303.20 and 7,847.75

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Solution

The fourth proportional to 19,534.50, 29,303.20 and 7,847.75 is: 11,772.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,534.50 : 29,303.20 = 7,847.75 : x
  2. Step 2: Convert to fraction form
    19,534.50/29,303.20 = 7,847.75/x
  3. Step 3: Cross multiply
    19,534.50x = 29,303.20 × 7,847.75
  4. Step 4: Simplify right side
    19,534.50x = 229,964,270.87
  5. Step 5: Solve for x
    x = 229,964,270.87/19,534.50
  6. Step 6: Final answer
    x = 11,772.21

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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.