Home / 20,052.60-27,672.12-11,668.92

Finding the Fourth Proportional to 20,052.60, 27,672.12 and 11,668.92

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Solution

The fourth proportional to 20,052.60, 27,672.12 and 11,668.92 is: 16,102.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,052.60 : 27,672.12 = 11,668.92 : x
  2. Step 2: Convert to fraction form
    20,052.60/27,672.12 = 11,668.92/x
  3. Step 3: Cross multiply
    20,052.60x = 27,672.12 × 11,668.92
  4. Step 4: Simplify right side
    20,052.60x = 322,903,754.51
  5. Step 5: Solve for x
    x = 322,903,754.51/20,052.60
  6. Step 6: Final answer
    x = 16,102.84

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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.