Home / 15,643.57-23,465.37-5,262.61

Finding the Fourth Proportional to 15,643.57, 23,465.37 and 5,262.61

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Solution

The fourth proportional to 15,643.57, 23,465.37 and 5,262.61 is: 7,893.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,643.57 : 23,465.37 = 5,262.61 : x
  2. Step 2: Convert to fraction form
    15,643.57/23,465.37 = 5,262.61/x
  3. Step 3: Cross multiply
    15,643.57x = 23,465.37 × 5,262.61
  4. Step 4: Simplify right side
    15,643.57x = 123,489,090.82
  5. Step 5: Solve for x
    x = 123,489,090.82/15,643.57
  6. Step 6: Final answer
    x = 7,893.92

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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.