Home / 20,446.16-28,215.56-11,614.16

Finding the Fourth Proportional to 20,446.16, 28,215.56 and 11,614.16

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Solution

The fourth proportional to 20,446.16, 28,215.56 and 11,614.16 is: 16,027.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,446.16 : 28,215.56 = 11,614.16 : x
  2. Step 2: Convert to fraction form
    20,446.16/28,215.56 = 11,614.16/x
  3. Step 3: Cross multiply
    20,446.16x = 28,215.56 × 11,614.16
  4. Step 4: Simplify right side
    20,446.16x = 327,700,028.33
  5. Step 5: Solve for x
    x = 327,700,028.33/20,446.16
  6. Step 6: Final answer
    x = 16,027.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.