Home / 16,866.17-25,291.16-7,974.09

Finding the Fourth Proportional to 16,866.17, 25,291.16 and 7,974.09

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Solution

The fourth proportional to 16,866.17, 25,291.16 and 7,974.09 is: 11,957.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,866.17 : 25,291.16 = 7,974.09 : x
  2. Step 2: Convert to fraction form
    16,866.17/25,291.16 = 7,974.09/x
  3. Step 3: Cross multiply
    16,866.17x = 25,291.16 × 7,974.09
  4. Step 4: Simplify right side
    16,866.17x = 201,673,946.17
  5. Step 5: Solve for x
    x = 201,673,946.17/16,866.17
  6. Step 6: Final answer
    x = 11,957.31

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1.5x scale

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.