Home / 21,835.02-32,725.10-9,340.34

Finding the Fourth Proportional to 21,835.02, 32,725.10 and 9,340.34

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Solution

The fourth proportional to 21,835.02, 32,725.10 and 9,340.34 is: 13,998.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,835.02 : 32,725.10 = 9,340.34 : x
  2. Step 2: Convert to fraction form
    21,835.02/32,725.10 = 9,340.34/x
  3. Step 3: Cross multiply
    21,835.02x = 32,725.10 × 9,340.34
  4. Step 4: Simplify right side
    21,835.02x = 305,663,560.53
  5. Step 5: Solve for x
    x = 305,663,560.53/21,835.02
  6. Step 6: Final answer
    x = 13,998.78

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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.