Home / 15,216.31-22,824.51-4,686.25

Finding the Fourth Proportional to 15,216.31, 22,824.51 and 4,686.25

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Solution

The fourth proportional to 15,216.31, 22,824.51 and 4,686.25 is: 7,029.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,216.31 : 22,824.51 = 4,686.25 : x
  2. Step 2: Convert to fraction form
    15,216.31/22,824.51 = 4,686.25/x
  3. Step 3: Cross multiply
    15,216.31x = 22,824.51 × 4,686.25
  4. Step 4: Simplify right side
    15,216.31x = 106,961,359.99
  5. Step 5: Solve for x
    x = 106,961,359.99/15,216.31
  6. Step 6: Final answer
    x = 7,029.39

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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.