Home / 39,184.14-58,783.49-12,889.92

Finding the Fourth Proportional to 39,184.14, 58,783.49 and 12,889.92

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Solution

The fourth proportional to 39,184.14, 58,783.49 and 12,889.92 is: 19,337.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,184.14 : 58,783.49 = 12,889.92 : x
  2. Step 2: Convert to fraction form
    39,184.14/58,783.49 = 12,889.92/x
  3. Step 3: Cross multiply
    39,184.14x = 58,783.49 × 12,889.92
  4. Step 4: Simplify right side
    39,184.14x = 757,714,221.73
  5. Step 5: Solve for x
    x = 757,714,221.73/39,184.14
  6. Step 6: Final answer
    x = 19,337.27

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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.