Home / 39,195.06-58,801.41-12,898.86

Finding the Fourth Proportional to 39,195.06, 58,801.41 and 12,898.86

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Solution

The fourth proportional to 39,195.06, 58,801.41 and 12,898.86 is: 19,351.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,195.06 : 58,801.41 = 12,898.86 : x
  2. Step 2: Convert to fraction form
    39,195.06/58,801.41 = 12,898.86/x
  3. Step 3: Cross multiply
    39,195.06x = 58,801.41 × 12,898.86
  4. Step 4: Simplify right side
    39,195.06x = 758,471,155.39
  5. Step 5: Solve for x
    x = 758,471,155.39/39,195.06
  6. Step 6: Final answer
    x = 19,351.19

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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.