Home / 38,137.92-57,210.72-13,174.68

Finding the Fourth Proportional to 38,137.92, 57,210.72 and 13,174.68

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Solution

The fourth proportional to 38,137.92, 57,210.72 and 13,174.68 is: 19,763.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,137.92 : 57,210.72 = 13,174.68 : x
  2. Step 2: Convert to fraction form
    38,137.92/57,210.72 = 13,174.68/x
  3. Step 3: Cross multiply
    38,137.92x = 57,210.72 × 13,174.68
  4. Step 4: Simplify right side
    38,137.92x = 753,732,928.57
  5. Step 5: Solve for x
    x = 753,732,928.57/38,137.92
  6. Step 6: Final answer
    x = 19,763.35

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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.