Home / 13,050.72-19,576.08-3,189.99

Finding the Fourth Proportional to 13,050.72, 19,576.08 and 3,189.99

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Solution

The fourth proportional to 13,050.72, 19,576.08 and 3,189.99 is: 4,784.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,050.72 : 19,576.08 = 3,189.99 : x
  2. Step 2: Convert to fraction form
    13,050.72/19,576.08 = 3,189.99/x
  3. Step 3: Cross multiply
    13,050.72x = 19,576.08 × 3,189.99
  4. Step 4: Simplify right side
    13,050.72x = 62,447,499.44
  5. Step 5: Solve for x
    x = 62,447,499.44/13,050.72
  6. Step 6: Final answer
    x = 4,784.99

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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.