Home / 12,999.06-19,493.70-10,258.02

Finding the Fourth Proportional to 12,999.06, 19,493.70 and 10,258.02

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Solution

The fourth proportional to 12,999.06, 19,493.70 and 10,258.02 is: 15,383.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,999.06 : 19,493.70 = 10,258.02 : x
  2. Step 2: Convert to fraction form
    12,999.06/19,493.70 = 10,258.02/x
  3. Step 3: Cross multiply
    12,999.06x = 19,493.70 × 10,258.02
  4. Step 4: Simplify right side
    12,999.06x = 199,966,764.47
  5. Step 5: Solve for x
    x = 199,966,764.47/12,999.06
  6. Step 6: Final answer
    x = 15,383.17

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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.