Home / 15,805.83-23,712.93-4,712.61

Finding the Fourth Proportional to 15,805.83, 23,712.93 and 4,712.61

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Solution

The fourth proportional to 15,805.83, 23,712.93 and 4,712.61 is: 7,070.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,805.83 : 23,712.93 = 4,712.61 : x
  2. Step 2: Convert to fraction form
    15,805.83/23,712.93 = 4,712.61/x
  3. Step 3: Cross multiply
    15,805.83x = 23,712.93 × 4,712.61
  4. Step 4: Simplify right side
    15,805.83x = 111,749,791.05
  5. Step 5: Solve for x
    x = 111,749,791.05/15,805.83
  6. Step 6: Final answer
    x = 7,070.16

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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.