Home / 20,588.92-30,882.66-8,735.08

Finding the Fourth Proportional to 20,588.92, 30,882.66 and 8,735.08

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Solution

The fourth proportional to 20,588.92, 30,882.66 and 8,735.08 is: 13,102.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,588.92 : 30,882.66 = 8,735.08 : x
  2. Step 2: Convert to fraction form
    20,588.92/30,882.66 = 8,735.08/x
  3. Step 3: Cross multiply
    20,588.92x = 30,882.66 × 8,735.08
  4. Step 4: Simplify right side
    20,588.92x = 269,762,505.71
  5. Step 5: Solve for x
    x = 269,762,505.71/20,588.92
  6. Step 6: Final answer
    x = 13,102.31

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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.