Home / 13,583.48-20,377.95-4,819.08

Finding the Fourth Proportional to 13,583.48, 20,377.95 and 4,819.08

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Solution

The fourth proportional to 13,583.48, 20,377.95 and 4,819.08 is: 7,229.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,583.48 : 20,377.95 = 4,819.08 : x
  2. Step 2: Convert to fraction form
    13,583.48/20,377.95 = 4,819.08/x
  3. Step 3: Cross multiply
    13,583.48x = 20,377.95 × 4,819.08
  4. Step 4: Simplify right side
    13,583.48x = 98,202,971.29
  5. Step 5: Solve for x
    x = 98,202,971.29/13,583.48
  6. Step 6: Final answer
    x = 7,229.59

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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.