Home / 19,647.54-27,113.13-11,263.50

Finding the Fourth Proportional to 19,647.54, 27,113.13 and 11,263.50

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Solution

The fourth proportional to 19,647.54, 27,113.13 and 11,263.50 is: 15,543.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,647.54 : 27,113.13 = 11,263.50 : x
  2. Step 2: Convert to fraction form
    19,647.54/27,113.13 = 11,263.50/x
  3. Step 3: Cross multiply
    19,647.54x = 27,113.13 × 11,263.50
  4. Step 4: Simplify right side
    19,647.54x = 305,388,739.76
  5. Step 5: Solve for x
    x = 305,388,739.76/19,647.54
  6. Step 6: Final answer
    x = 15,543.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.