Home / 21,361.52-32,042.36-6,570.34

Finding the Fourth Proportional to 21,361.52, 32,042.36 and 6,570.34

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Solution

The fourth proportional to 21,361.52, 32,042.36 and 6,570.34 is: 9,855.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,361.52 : 32,042.36 = 6,570.34 : x
  2. Step 2: Convert to fraction form
    21,361.52/32,042.36 = 6,570.34/x
  3. Step 3: Cross multiply
    21,361.52x = 32,042.36 × 6,570.34
  4. Step 4: Simplify right side
    21,361.52x = 210,529,207.56
  5. Step 5: Solve for x
    x = 210,529,207.56/21,361.52
  6. Step 6: Final answer
    x = 9,855.53

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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.