Home / 13,229.10-19,836.65-5,830.08

Finding the Fourth Proportional to 13,229.10, 19,836.65 and 5,830.08

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Solution

The fourth proportional to 13,229.10, 19,836.65 and 5,830.08 is: 8,742.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,229.10 : 19,836.65 = 5,830.08 : x
  2. Step 2: Convert to fraction form
    13,229.10/19,836.65 = 5,830.08/x
  3. Step 3: Cross multiply
    13,229.10x = 19,836.65 × 5,830.08
  4. Step 4: Simplify right side
    13,229.10x = 115,649,227.28
  5. Step 5: Solve for x
    x = 115,649,227.28/13,229.10
  6. Step 6: Final answer
    x = 8,742.03

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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.