Home / 12,923.03-19,384.14-3,689.03

Finding the Fourth Proportional to 12,923.03, 19,384.14 and 3,689.03

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Solution

The fourth proportional to 12,923.03, 19,384.14 and 3,689.03 is: 5,533.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,923.03 : 19,384.14 = 3,689.03 : x
  2. Step 2: Convert to fraction form
    12,923.03/19,384.14 = 3,689.03/x
  3. Step 3: Cross multiply
    12,923.03x = 19,384.14 × 3,689.03
  4. Step 4: Simplify right side
    12,923.03x = 71,508,673.98
  5. Step 5: Solve for x
    x = 71,508,673.98/12,923.03
  6. Step 6: Final answer
    x = 5,533.43

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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.