Home / 19,216.43-28,829.10-7,529.75

Finding the Fourth Proportional to 19,216.43, 28,829.10 and 7,529.75

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Solution

The fourth proportional to 19,216.43, 28,829.10 and 7,529.75 is: 11,296.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,216.43 : 28,829.10 = 7,529.75 : x
  2. Step 2: Convert to fraction form
    19,216.43/28,829.10 = 7,529.75/x
  3. Step 3: Cross multiply
    19,216.43x = 28,829.10 × 7,529.75
  4. Step 4: Simplify right side
    19,216.43x = 217,075,915.73
  5. Step 5: Solve for x
    x = 217,075,915.73/19,216.43
  6. Step 6: Final answer
    x = 11,296.37

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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.