Home / 20,725.20-31,088.91-5,936.28

Finding the Fourth Proportional to 20,725.20, 31,088.91 and 5,936.28

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Solution

The fourth proportional to 20,725.20, 31,088.91 and 5,936.28 is: 8,904.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,725.20 : 31,088.91 = 5,936.28 : x
  2. Step 2: Convert to fraction form
    20,725.20/31,088.91 = 5,936.28/x
  3. Step 3: Cross multiply
    20,725.20x = 31,088.91 × 5,936.28
  4. Step 4: Simplify right side
    20,725.20x = 184,552,474.65
  5. Step 5: Solve for x
    x = 184,552,474.65/20,725.20
  6. Step 6: Final answer
    x = 8,904.74

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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.