Home / 19,153.55-28,713.30-7,464.03

Finding the Fourth Proportional to 19,153.55, 28,713.30 and 7,464.03

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Solution

The fourth proportional to 19,153.55, 28,713.30 and 7,464.03 is: 11,189.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,153.55 : 28,713.30 = 7,464.03 : x
  2. Step 2: Convert to fraction form
    19,153.55/28,713.30 = 7,464.03/x
  3. Step 3: Cross multiply
    19,153.55x = 28,713.30 × 7,464.03
  4. Step 4: Simplify right side
    19,153.55x = 214,316,932.60
  5. Step 5: Solve for x
    x = 214,316,932.60/19,153.55
  6. Step 6: Final answer
    x = 11,189.41

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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.