Home / 19,647.12-27,109.98-11,262

Finding the Fourth Proportional to 19,647.12, 27,109.98 and 11,262

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Solution

The fourth proportional to 19,647.12, 27,109.98 and 11,262 is: 15,539.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,647.12 : 27,109.98 = 11,262 : x
  2. Step 2: Convert to fraction form
    19,647.12/27,109.98 = 11,262/x
  3. Step 3: Cross multiply
    19,647.12x = 27,109.98 × 11,262
  4. Step 4: Simplify right side
    19,647.12x = 305,312,594.76
  5. Step 5: Solve for x
    x = 305,312,594.76/19,647.12
  6. Step 6: Final answer
    x = 15,539.81

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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.