Home / 15,783.27-23,680.44-7,018.94

Finding the Fourth Proportional to 15,783.27, 23,680.44 and 7,018.94

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Solution

The fourth proportional to 15,783.27, 23,680.44 and 7,018.94 is: 10,530.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,783.27 : 23,680.44 = 7,018.94 : x
  2. Step 2: Convert to fraction form
    15,783.27/23,680.44 = 7,018.94/x
  3. Step 3: Cross multiply
    15,783.27x = 23,680.44 × 7,018.94
  4. Step 4: Simplify right side
    15,783.27x = 166,211,469.13
  5. Step 5: Solve for x
    x = 166,211,469.13/15,783.27
  6. Step 6: Final answer
    x = 10,530.86

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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.