Home / 13,705.24-20,558.80-4,819.52

Finding the Fourth Proportional to 13,705.24, 20,558.80 and 4,819.52

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Solution

The fourth proportional to 13,705.24, 20,558.80 and 4,819.52 is: 7,229.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,705.24 : 20,558.80 = 4,819.52 : x
  2. Step 2: Convert to fraction form
    13,705.24/20,558.80 = 4,819.52/x
  3. Step 3: Cross multiply
    13,705.24x = 20,558.80 × 4,819.52
  4. Step 4: Simplify right side
    13,705.24x = 99,083,547.78
  5. Step 5: Solve for x
    x = 99,083,547.78/13,705.24
  6. Step 6: Final answer
    x = 7,229.61

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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.