Home / 21,576.24-32,372.15-7,538.34

Finding the Fourth Proportional to 21,576.24, 32,372.15 and 7,538.34

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Solution

The fourth proportional to 21,576.24, 32,372.15 and 7,538.34 is: 11,310.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,576.24 : 32,372.15 = 7,538.34 : x
  2. Step 2: Convert to fraction form
    21,576.24/32,372.15 = 7,538.34/x
  3. Step 3: Cross multiply
    21,576.24x = 32,372.15 × 7,538.34
  4. Step 4: Simplify right side
    21,576.24x = 244,032,273.23
  5. Step 5: Solve for x
    x = 244,032,273.23/21,576.24
  6. Step 6: Final answer
    x = 11,310.23

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1.5x scale

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.