Home / 15,823.22-23,730.05-5,290.54

Finding the Fourth Proportional to 15,823.22, 23,730.05 and 5,290.54

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Solution

The fourth proportional to 15,823.22, 23,730.05 and 5,290.54 is: 7,934.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,823.22 : 23,730.05 = 5,290.54 : x
  2. Step 2: Convert to fraction form
    15,823.22/23,730.05 = 5,290.54/x
  3. Step 3: Cross multiply
    15,823.22x = 23,730.05 × 5,290.54
  4. Step 4: Simplify right side
    15,823.22x = 125,544,778.73
  5. Step 5: Solve for x
    x = 125,544,778.73/15,823.22
  6. Step 6: Final answer
    x = 7,934.21

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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.