Home / 19,174.02-28,764.66-7,486.50

Finding the Fourth Proportional to 19,174.02, 28,764.66 and 7,486.50

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Solution

The fourth proportional to 19,174.02, 28,764.66 and 7,486.50 is: 11,231.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,174.02 : 28,764.66 = 7,486.50 : x
  2. Step 2: Convert to fraction form
    19,174.02/28,764.66 = 7,486.50/x
  3. Step 3: Cross multiply
    19,174.02x = 28,764.66 × 7,486.50
  4. Step 4: Simplify right side
    19,174.02x = 215,346,627.09
  5. Step 5: Solve for x
    x = 215,346,627.09/19,174.02
  6. Step 6: Final answer
    x = 11,231.17

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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.