Home / 19,762.34-29,651.83-8,663.30

Finding the Fourth Proportional to 19,762.34, 29,651.83 and 8,663.30

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Solution

The fourth proportional to 19,762.34, 29,651.83 and 8,663.30 is: 12,998.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,762.34 : 29,651.83 = 8,663.30 : x
  2. Step 2: Convert to fraction form
    19,762.34/29,651.83 = 8,663.30/x
  3. Step 3: Cross multiply
    19,762.34x = 29,651.83 × 8,663.30
  4. Step 4: Simplify right side
    19,762.34x = 256,882,698.84
  5. Step 5: Solve for x
    x = 256,882,698.84/19,762.34
  6. Step 6: Final answer
    x = 12,998.60

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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.