Home / 19,127.76-28,693.40-7,441.89

Finding the Fourth Proportional to 19,127.76, 28,693.40 and 7,441.89

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Solution

The fourth proportional to 19,127.76, 28,693.40 and 7,441.89 is: 11,163.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,127.76 : 28,693.40 = 7,441.89 : x
  2. Step 2: Convert to fraction form
    19,127.76/28,693.40 = 7,441.89/x
  3. Step 3: Cross multiply
    19,127.76x = 28,693.40 × 7,441.89
  4. Step 4: Simplify right side
    19,127.76x = 213,533,089.32
  5. Step 5: Solve for x
    x = 213,533,089.32/19,127.76
  6. Step 6: Final answer
    x = 11,163.52

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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.