Home / 22,936.91-34,391.63-7,939.10

Finding the Fourth Proportional to 22,936.91, 34,391.63 and 7,939.10

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Solution

The fourth proportional to 22,936.91, 34,391.63 and 7,939.10 is: 11,903.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,936.91 : 34,391.63 = 7,939.10 : x
  2. Step 2: Convert to fraction form
    22,936.91/34,391.63 = 7,939.10/x
  3. Step 3: Cross multiply
    22,936.91x = 34,391.63 × 7,939.10
  4. Step 4: Simplify right side
    22,936.91x = 273,038,378.08
  5. Step 5: Solve for x
    x = 273,038,378.08/22,936.91
  6. Step 6: Final answer
    x = 11,903.89

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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.