Home / 37,189.66-55,779.57-13,812.94

Finding the Fourth Proportional to 37,189.66, 55,779.57 and 13,812.94

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Solution

The fourth proportional to 37,189.66, 55,779.57 and 13,812.94 is: 20,717.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,189.66 : 55,779.57 = 13,812.94 : x
  2. Step 2: Convert to fraction form
    37,189.66/55,779.57 = 13,812.94/x
  3. Step 3: Cross multiply
    37,189.66x = 55,779.57 × 13,812.94
  4. Step 4: Simplify right side
    37,189.66x = 770,479,853.64
  5. Step 5: Solve for x
    x = 770,479,853.64/37,189.66
  6. Step 6: Final answer
    x = 20,717.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.