Home / 19,572.90-27,015.42-12,021.04

Finding the Fourth Proportional to 19,572.90, 27,015.42 and 12,021.04

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Solution

The fourth proportional to 19,572.90, 27,015.42 and 12,021.04 is: 16,591.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,572.90 : 27,015.42 = 12,021.04 : x
  2. Step 2: Convert to fraction form
    19,572.90/27,015.42 = 12,021.04/x
  3. Step 3: Cross multiply
    19,572.90x = 27,015.42 × 12,021.04
  4. Step 4: Simplify right side
    19,572.90x = 324,753,444.44
  5. Step 5: Solve for x
    x = 324,753,444.44/19,572.90
  6. Step 6: Final answer
    x = 16,591.99

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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.