Home / 15,574.58-23,361.75-3,887.72

Finding the Fourth Proportional to 15,574.58, 23,361.75 and 3,887.72

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Solution

The fourth proportional to 15,574.58, 23,361.75 and 3,887.72 is: 5,831.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,574.58 : 23,361.75 = 3,887.72 : x
  2. Step 2: Convert to fraction form
    15,574.58/23,361.75 = 3,887.72/x
  3. Step 3: Cross multiply
    15,574.58x = 23,361.75 × 3,887.72
  4. Step 4: Simplify right side
    15,574.58x = 90,823,942.71
  5. Step 5: Solve for x
    x = 90,823,942.71/15,574.58
  6. Step 6: Final answer
    x = 5,831.55

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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.