Home / 20,015.36-27,602.83-12,043.74

Finding the Fourth Proportional to 20,015.36, 27,602.83 and 12,043.74

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Solution

The fourth proportional to 20,015.36, 27,602.83 and 12,043.74 is: 16,609.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,015.36 : 27,602.83 = 12,043.74 : x
  2. Step 2: Convert to fraction form
    20,015.36/27,602.83 = 12,043.74/x
  3. Step 3: Cross multiply
    20,015.36x = 27,602.83 × 12,043.74
  4. Step 4: Simplify right side
    20,015.36x = 332,441,277.67
  5. Step 5: Solve for x
    x = 332,441,277.67/20,015.36
  6. Step 6: Final answer
    x = 16,609.31

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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.