Home / 15,179.58-22,779.66-5,319

Finding the Fourth Proportional to 15,179.58, 22,779.66 and 5,319

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Solution

The fourth proportional to 15,179.58, 22,779.66 and 5,319 is: 7,982.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,179.58 : 22,779.66 = 5,319 : x
  2. Step 2: Convert to fraction form
    15,179.58/22,779.66 = 5,319/x
  3. Step 3: Cross multiply
    15,179.58x = 22,779.66 × 5,319
  4. Step 4: Simplify right side
    15,179.58x = 121,165,011.54
  5. Step 5: Solve for x
    x = 121,165,011.54/15,179.58
  6. Step 6: Final answer
    x = 7,982.11

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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.