Home / 21,845.10-32,760.60-7,050.56

Finding the Fourth Proportional to 21,845.10, 32,760.60 and 7,050.56

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Solution

The fourth proportional to 21,845.10, 32,760.60 and 7,050.56 is: 10,573.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,845.10 : 32,760.60 = 7,050.56 : x
  2. Step 2: Convert to fraction form
    21,845.10/32,760.60 = 7,050.56/x
  3. Step 3: Cross multiply
    21,845.10x = 32,760.60 × 7,050.56
  4. Step 4: Simplify right side
    21,845.10x = 230,980,412.13
  5. Step 5: Solve for x
    x = 230,980,412.13/21,845.10
  6. Step 6: Final answer
    x = 10,573.56

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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.