Home / 19,962.75-27,559.40-12,006.75

Finding the Fourth Proportional to 19,962.75, 27,559.40 and 12,006.75

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Solution

The fourth proportional to 19,962.75, 27,559.40 and 12,006.75 is: 16,575.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,962.75 : 27,559.40 = 12,006.75 : x
  2. Step 2: Convert to fraction form
    19,962.75/27,559.40 = 12,006.75/x
  3. Step 3: Cross multiply
    19,962.75x = 27,559.40 × 12,006.75
  4. Step 4: Simplify right side
    19,962.75x = 330,898,765.92
  5. Step 5: Solve for x
    x = 330,898,765.92/19,962.75
  6. Step 6: Final answer
    x = 16,575.81

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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.