Home / 14,117.06-19,481.64-7,829.84

Finding the Fourth Proportional to 14,117.06, 19,481.64 and 7,829.84

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Solution

The fourth proportional to 14,117.06, 19,481.64 and 7,829.84 is: 10,805.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,117.06 : 19,481.64 = 7,829.84 : x
  2. Step 2: Convert to fraction form
    14,117.06/19,481.64 = 7,829.84/x
  3. Step 3: Cross multiply
    14,117.06x = 19,481.64 × 7,829.84
  4. Step 4: Simplify right side
    14,117.06x = 152,538,124.14
  5. Step 5: Solve for x
    x = 152,538,124.14/14,117.06
  6. Step 6: Final answer
    x = 10,805.23

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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.