Home / 16,580.31-24,871.83-7,220.64

Finding the Fourth Proportional to 16,580.31, 24,871.83 and 7,220.64

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Solution

The fourth proportional to 16,580.31, 24,871.83 and 7,220.64 is: 10,831.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,580.31 : 24,871.83 = 7,220.64 : x
  2. Step 2: Convert to fraction form
    16,580.31/24,871.83 = 7,220.64/x
  3. Step 3: Cross multiply
    16,580.31x = 24,871.83 × 7,220.64
  4. Step 4: Simplify right side
    16,580.31x = 179,590,530.57
  5. Step 5: Solve for x
    x = 179,590,530.57/16,580.31
  6. Step 6: Final answer
    x = 10,831.55

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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.