Home / 20,207.33-27,885.72-13,833.76

Finding the Fourth Proportional to 20,207.33, 27,885.72 and 13,833.76

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Solution

The fourth proportional to 20,207.33, 27,885.72 and 13,833.76 is: 19,090.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,207.33 : 27,885.72 = 13,833.76 : x
  2. Step 2: Convert to fraction form
    20,207.33/27,885.72 = 13,833.76/x
  3. Step 3: Cross multiply
    20,207.33x = 27,885.72 × 13,833.76
  4. Step 4: Simplify right side
    20,207.33x = 385,764,357.91
  5. Step 5: Solve for x
    x = 385,764,357.91/20,207.33
  6. Step 6: Final answer
    x = 19,090.32

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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.