Home / 19,771.86-27,292.14-12,224.02

Finding the Fourth Proportional to 19,771.86, 27,292.14 and 12,224.02

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Solution

The fourth proportional to 19,771.86, 27,292.14 and 12,224.02 is: 16,873.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,771.86 : 27,292.14 = 12,224.02 : x
  2. Step 2: Convert to fraction form
    19,771.86/27,292.14 = 12,224.02/x
  3. Step 3: Cross multiply
    19,771.86x = 27,292.14 × 12,224.02
  4. Step 4: Simplify right side
    19,771.86x = 333,619,665.20
  5. Step 5: Solve for x
    x = 333,619,665.20/19,771.86
  6. Step 6: Final answer
    x = 16,873.46

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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.