Home / 20,560.24-30,852.72-8,873.46

Finding the Fourth Proportional to 20,560.24, 30,852.72 and 8,873.46

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Solution

The fourth proportional to 20,560.24, 30,852.72 and 8,873.46 is: 13,315.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,560.24 : 30,852.72 = 8,873.46 : x
  2. Step 2: Convert to fraction form
    20,560.24/30,852.72 = 8,873.46/x
  3. Step 3: Cross multiply
    20,560.24x = 30,852.72 × 8,873.46
  4. Step 4: Simplify right side
    20,560.24x = 273,770,376.81
  5. Step 5: Solve for x
    x = 273,770,376.81/20,560.24
  6. Step 6: Final answer
    x = 13,315.52

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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.