Home / 16,981.04-23,447.81-11,022.89

Finding the Fourth Proportional to 16,981.04, 23,447.81 and 11,022.89

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Solution

The fourth proportional to 16,981.04, 23,447.81 and 11,022.89 is: 15,220.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,981.04 : 23,447.81 = 11,022.89 : x
  2. Step 2: Convert to fraction form
    16,981.04/23,447.81 = 11,022.89/x
  3. Step 3: Cross multiply
    16,981.04x = 23,447.81 × 11,022.89
  4. Step 4: Simplify right side
    16,981.04x = 258,462,540.69
  5. Step 5: Solve for x
    x = 258,462,540.69/16,981.04
  6. Step 6: Final answer
    x = 15,220.65

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1.5x scale

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.