Home / 13,273.61-19,910.57-4,509.20

Finding the Fourth Proportional to 13,273.61, 19,910.57 and 4,509.20

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Solution

The fourth proportional to 13,273.61, 19,910.57 and 4,509.20 is: 6,763.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,273.61 : 19,910.57 = 4,509.20 : x
  2. Step 2: Convert to fraction form
    13,273.61/19,910.57 = 4,509.20/x
  3. Step 3: Cross multiply
    13,273.61x = 19,910.57 × 4,509.20
  4. Step 4: Simplify right side
    13,273.61x = 89,780,769.47
  5. Step 5: Solve for x
    x = 89,780,769.47/13,273.61
  6. Step 6: Final answer
    x = 6,763.86

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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.