Home / 13,050.30-19,575.45-3,189.46

Finding the Fourth Proportional to 13,050.30, 19,575.45 and 3,189.46

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Solution

The fourth proportional to 13,050.30, 19,575.45 and 3,189.46 is: 4,784.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,050.30 : 19,575.45 = 3,189.46 : x
  2. Step 2: Convert to fraction form
    13,050.30/19,575.45 = 3,189.46/x
  3. Step 3: Cross multiply
    13,050.30x = 19,575.45 × 3,189.46
  4. Step 4: Simplify right side
    13,050.30x = 62,435,114.76
  5. Step 5: Solve for x
    x = 62,435,114.76/13,050.30
  6. Step 6: Final answer
    x = 4,784.19

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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.