Home / 15,782.31-23,669.38-4,686.48

Finding the Fourth Proportional to 15,782.31, 23,669.38 and 4,686.48

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Solution

The fourth proportional to 15,782.31, 23,669.38 and 4,686.48 is: 7,028.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,782.31 : 23,669.38 = 4,686.48 : x
  2. Step 2: Convert to fraction form
    15,782.31/23,669.38 = 4,686.48/x
  3. Step 3: Cross multiply
    15,782.31x = 23,669.38 × 4,686.48
  4. Step 4: Simplify right side
    15,782.31x = 110,926,052.55
  5. Step 5: Solve for x
    x = 110,926,052.55/15,782.31
  6. Step 6: Final answer
    x = 7,028.51

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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.