Home / 19,938.04-29,930.10-12,052.60

Finding the Fourth Proportional to 19,938.04, 29,930.10 and 12,052.60

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Solution

The fourth proportional to 19,938.04, 29,930.10 and 12,052.60 is: 18,092.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,938.04 : 29,930.10 = 12,052.60 : x
  2. Step 2: Convert to fraction form
    19,938.04/29,930.10 = 12,052.60/x
  3. Step 3: Cross multiply
    19,938.04x = 29,930.10 × 12,052.60
  4. Step 4: Simplify right side
    19,938.04x = 360,735,523.26
  5. Step 5: Solve for x
    x = 360,735,523.26/19,938.04
  6. Step 6: Final answer
    x = 18,092.83

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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.