Home / 21,838.95-32,766.10-10,753.42

Finding the Fourth Proportional to 21,838.95, 32,766.10 and 10,753.42

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Solution

The fourth proportional to 21,838.95, 32,766.10 and 10,753.42 is: 16,133.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,838.95 : 32,766.10 = 10,753.42 : x
  2. Step 2: Convert to fraction form
    21,838.95/32,766.10 = 10,753.42/x
  3. Step 3: Cross multiply
    21,838.95x = 32,766.10 × 10,753.42
  4. Step 4: Simplify right side
    21,838.95x = 352,347,661.95
  5. Step 5: Solve for x
    x = 352,347,661.95/21,838.95
  6. Step 6: Final answer
    x = 16,133.91

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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.