Home / 13,982.27-20,973.38-9,586.40

Finding the Fourth Proportional to 13,982.27, 20,973.38 and 9,586.40

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Solution

The fourth proportional to 13,982.27, 20,973.38 and 9,586.40 is: 14,379.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,982.27 : 20,973.38 = 9,586.40 : x
  2. Step 2: Convert to fraction form
    13,982.27/20,973.38 = 9,586.40/x
  3. Step 3: Cross multiply
    13,982.27x = 20,973.38 × 9,586.40
  4. Step 4: Simplify right side
    13,982.27x = 201,059,057.23
  5. Step 5: Solve for x
    x = 201,059,057.23/13,982.27
  6. Step 6: Final answer
    x = 14,379.58

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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.