Home / 15,327.51-22,985.19-5,329.28

Finding the Fourth Proportional to 15,327.51, 22,985.19 and 5,329.28

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Solution

The fourth proportional to 15,327.51, 22,985.19 and 5,329.28 is: 7,991.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,327.51 : 22,985.19 = 5,329.28 : x
  2. Step 2: Convert to fraction form
    15,327.51/22,985.19 = 5,329.28/x
  3. Step 3: Cross multiply
    15,327.51x = 22,985.19 × 5,329.28
  4. Step 4: Simplify right side
    15,327.51x = 122,494,398.44
  5. Step 5: Solve for x
    x = 122,494,398.44/15,327.51
  6. Step 6: Final answer
    x = 7,991.80

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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.