Home / 19,380.37-26,753.03-16,411.57

Finding the Fourth Proportional to 19,380.37, 26,753.03 and 16,411.57

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Solution

The fourth proportional to 19,380.37, 26,753.03 and 16,411.57 is: 22,654.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,380.37 : 26,753.03 = 16,411.57 : x
  2. Step 2: Convert to fraction form
    19,380.37/26,753.03 = 16,411.57/x
  3. Step 3: Cross multiply
    19,380.37x = 26,753.03 × 16,411.57
  4. Step 4: Simplify right side
    19,380.37x = 439,059,224.56
  5. Step 5: Solve for x
    x = 439,059,224.56/19,380.37
  6. Step 6: Final answer
    x = 22,654.84

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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.