Home / 15,175.84-22,759.32-5,313.28

Finding the Fourth Proportional to 15,175.84, 22,759.32 and 5,313.28

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Solution

The fourth proportional to 15,175.84, 22,759.32 and 5,313.28 is: 7,968.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,175.84 : 22,759.32 = 5,313.28 : x
  2. Step 2: Convert to fraction form
    15,175.84/22,759.32 = 5,313.28/x
  3. Step 3: Cross multiply
    15,175.84x = 22,759.32 × 5,313.28
  4. Step 4: Simplify right side
    15,175.84x = 120,926,639.77
  5. Step 5: Solve for x
    x = 120,926,639.77/15,175.84
  6. Step 6: Final answer
    x = 7,968.37

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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.