Home / 19,812.60-29,675.70-17,623.80

Finding the Fourth Proportional to 19,812.60, 29,675.70 and 17,623.80

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Solution

The fourth proportional to 19,812.60, 29,675.70 and 17,623.80 is: 26,397.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,812.60 : 29,675.70 = 17,623.80 : x
  2. Step 2: Convert to fraction form
    19,812.60/29,675.70 = 17,623.80/x
  3. Step 3: Cross multiply
    19,812.60x = 29,675.70 × 17,623.80
  4. Step 4: Simplify right side
    19,812.60x = 522,998,601.66
  5. Step 5: Solve for x
    x = 522,998,601.66/19,812.60
  6. Step 6: Final answer
    x = 26,397.27

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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.