Home / 13,718.72-20,579.04-5,820.33

Finding the Fourth Proportional to 13,718.72, 20,579.04 and 5,820.33

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Solution

The fourth proportional to 13,718.72, 20,579.04 and 5,820.33 is: 8,730.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,718.72 : 20,579.04 = 5,820.33 : x
  2. Step 2: Convert to fraction form
    13,718.72/20,579.04 = 5,820.33/x
  3. Step 3: Cross multiply
    13,718.72x = 20,579.04 × 5,820.33
  4. Step 4: Simplify right side
    13,718.72x = 119,776,803.88
  5. Step 5: Solve for x
    x = 119,776,803.88/13,718.72
  6. Step 6: Final answer
    x = 8,730.91

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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.