Home / 13,050.53-19,575.63-3,189.90

Finding the Fourth Proportional to 13,050.53, 19,575.63 and 3,189.90

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Solution

The fourth proportional to 13,050.53, 19,575.63 and 3,189.90 is: 4,784.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,050.53 : 19,575.63 = 3,189.90 : x
  2. Step 2: Convert to fraction form
    13,050.53/19,575.63 = 3,189.90/x
  3. Step 3: Cross multiply
    13,050.53x = 19,575.63 × 3,189.90
  4. Step 4: Simplify right side
    13,050.53x = 62,444,228.73
  5. Step 5: Solve for x
    x = 62,444,228.73/13,050.53
  6. Step 6: Final answer
    x = 4,784.80

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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.