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Finding the Fourth Proportional to 20,573.37, 30,836.76 and 9,457.11

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Solution

The fourth proportional to 20,573.37, 30,836.76 and 9,457.11 is: 14,174.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,573.37 : 30,836.76 = 9,457.11 : x
  2. Step 2: Convert to fraction form
    20,573.37/30,836.76 = 9,457.11/x
  3. Step 3: Cross multiply
    20,573.37x = 30,836.76 × 9,457.11
  4. Step 4: Simplify right side
    20,573.37x = 291,626,595.90
  5. Step 5: Solve for x
    x = 291,626,595.90/20,573.37
  6. Step 6: Final answer
    x = 14,174.96

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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.