Home / 15,716.62-23,574.52-3,870.37

Finding the Fourth Proportional to 15,716.62, 23,574.52 and 3,870.37

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Solution

The fourth proportional to 15,716.62, 23,574.52 and 3,870.37 is: 5,805.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,716.62 : 23,574.52 = 3,870.37 : x
  2. Step 2: Convert to fraction form
    15,716.62/23,574.52 = 3,870.37/x
  3. Step 3: Cross multiply
    15,716.62x = 23,574.52 × 3,870.37
  4. Step 4: Simplify right side
    15,716.62x = 91,242,114.97
  5. Step 5: Solve for x
    x = 91,242,114.97/15,716.62
  6. Step 6: Final answer
    x = 5,805.45

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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.