Home / 21,836.02-32,724.84-10,123.42

Finding the Fourth Proportional to 21,836.02, 32,724.84 and 10,123.42

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Solution

The fourth proportional to 21,836.02, 32,724.84 and 10,123.42 is: 15,171.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,836.02 : 32,724.84 = 10,123.42 : x
  2. Step 2: Convert to fraction form
    21,836.02/32,724.84 = 10,123.42/x
  3. Step 3: Cross multiply
    21,836.02x = 32,724.84 × 10,123.42
  4. Step 4: Simplify right side
    21,836.02x = 331,287,299.75
  5. Step 5: Solve for x
    x = 331,287,299.75/21,836.02
  6. Step 6: Final answer
    x = 15,171.60

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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.