Home / 19,020.53-28,525.22-7,165.75

Finding the Fourth Proportional to 19,020.53, 28,525.22 and 7,165.75

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Solution

The fourth proportional to 19,020.53, 28,525.22 and 7,165.75 is: 10,746.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,020.53 : 28,525.22 = 7,165.75 : x
  2. Step 2: Convert to fraction form
    19,020.53/28,525.22 = 7,165.75/x
  3. Step 3: Cross multiply
    19,020.53x = 28,525.22 × 7,165.75
  4. Step 4: Simplify right side
    19,020.53x = 204,404,586.26
  5. Step 5: Solve for x
    x = 204,404,586.26/19,020.53
  6. Step 6: Final answer
    x = 10,746.52

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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.