Home / 20,737.94-28,615.02-11,663.27

Finding the Fourth Proportional to 20,737.94, 28,615.02 and 11,663.27

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Solution

The fourth proportional to 20,737.94, 28,615.02 and 11,663.27 is: 16,093.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,737.94 : 28,615.02 = 11,663.27 : x
  2. Step 2: Convert to fraction form
    20,737.94/28,615.02 = 11,663.27/x
  3. Step 3: Cross multiply
    20,737.94x = 28,615.02 × 11,663.27
  4. Step 4: Simplify right side
    20,737.94x = 333,744,712.28
  5. Step 5: Solve for x
    x = 333,744,712.28/20,737.94
  6. Step 6: Final answer
    x = 16,093.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.