Home / 15,605.45-23,411.31-5,744.51

Finding the Fourth Proportional to 15,605.45, 23,411.31 and 5,744.51

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Solution

The fourth proportional to 15,605.45, 23,411.31 and 5,744.51 is: 8,617.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,605.45 : 23,411.31 = 5,744.51 : x
  2. Step 2: Convert to fraction form
    15,605.45/23,411.31 = 5,744.51/x
  3. Step 3: Cross multiply
    15,605.45x = 23,411.31 × 5,744.51
  4. Step 4: Simplify right side
    15,605.45x = 134,486,504.41
  5. Step 5: Solve for x
    x = 134,486,504.41/15,605.45
  6. Step 6: Final answer
    x = 8,617.92

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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.