Home / 13,001.81-17,949.13-9,016.00

Finding the Fourth Proportional to 13,001.81, 17,949.13 and 9,016.00

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Solution

The fourth proportional to 13,001.81, 17,949.13 and 9,016.00 is: 12,446.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,001.81 : 17,949.13 = 9,016.00 : x
  2. Step 2: Convert to fraction form
    13,001.81/17,949.13 = 9,016.00/x
  3. Step 3: Cross multiply
    13,001.81x = 17,949.13 × 9,016.00
  4. Step 4: Simplify right side
    13,001.81x = 161,829,288.67
  5. Step 5: Solve for x
    x = 161,829,288.67/13,001.81
  6. Step 6: Final answer
    x = 12,446.68

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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.