Home / 19,769.90-29,651.52-8,673.60

Finding the Fourth Proportional to 19,769.90, 29,651.52 and 8,673.60

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Solution

The fourth proportional to 19,769.90, 29,651.52 and 8,673.60 is: 13,008.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,769.90 : 29,651.52 = 8,673.60 : x
  2. Step 2: Convert to fraction form
    19,769.90/29,651.52 = 8,673.60/x
  3. Step 3: Cross multiply
    19,769.90x = 29,651.52 × 8,673.60
  4. Step 4: Simplify right side
    19,769.90x = 257,185,423.87
  5. Step 5: Solve for x
    x = 257,185,423.87/19,769.90
  6. Step 6: Final answer
    x = 13,008.94

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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.