Home / 19,202.57-28,795.40-9,709.04

Finding the Fourth Proportional to 19,202.57, 28,795.40 and 9,709.04

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Solution

The fourth proportional to 19,202.57, 28,795.40 and 9,709.04 is: 14,559.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,202.57 : 28,795.40 = 9,709.04 : x
  2. Step 2: Convert to fraction form
    19,202.57/28,795.40 = 9,709.04/x
  3. Step 3: Cross multiply
    19,202.57x = 28,795.40 × 9,709.04
  4. Step 4: Simplify right side
    19,202.57x = 279,575,750.27
  5. Step 5: Solve for x
    x = 279,575,750.27/19,202.57
  6. Step 6: Final answer
    x = 14,559.29

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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.