Home / 38,665.36-58,006.68-12,371.68

Finding the Fourth Proportional to 38,665.36, 58,006.68 and 12,371.68

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Solution

The fourth proportional to 38,665.36, 58,006.68 and 12,371.68 is: 18,560.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,665.36 : 58,006.68 = 12,371.68 : x
  2. Step 2: Convert to fraction form
    38,665.36/58,006.68 = 12,371.68/x
  3. Step 3: Cross multiply
    38,665.36x = 58,006.68 × 12,371.68
  4. Step 4: Simplify right side
    38,665.36x = 717,640,082.82
  5. Step 5: Solve for x
    x = 717,640,082.82/38,665.36
  6. Step 6: Final answer
    x = 18,560.28

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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.