Home / 15,531.87-23,283.84-5,664.27

Finding the Fourth Proportional to 15,531.87, 23,283.84 and 5,664.27

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Solution

The fourth proportional to 15,531.87, 23,283.84 and 5,664.27 is: 8,491.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,531.87 : 23,283.84 = 5,664.27 : x
  2. Step 2: Convert to fraction form
    15,531.87/23,283.84 = 5,664.27/x
  3. Step 3: Cross multiply
    15,531.87x = 23,283.84 × 5,664.27
  4. Step 4: Simplify right side
    15,531.87x = 131,885,956.40
  5. Step 5: Solve for x
    x = 131,885,956.40/15,531.87
  6. Step 6: Final answer
    x = 8,491.31

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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.