Home / 17,972.66-26,911.80-14,443.90

Finding the Fourth Proportional to 17,972.66, 26,911.80 and 14,443.90

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Solution

The fourth proportional to 17,972.66, 26,911.80 and 14,443.90 is: 21,627.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,972.66 : 26,911.80 = 14,443.90 : x
  2. Step 2: Convert to fraction form
    17,972.66/26,911.80 = 14,443.90/x
  3. Step 3: Cross multiply
    17,972.66x = 26,911.80 × 14,443.90
  4. Step 4: Simplify right side
    17,972.66x = 388,711,348.02
  5. Step 5: Solve for x
    x = 388,711,348.02/17,972.66
  6. Step 6: Final answer
    x = 21,627.93

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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.