Home / 22,162.92-33,191.52-12,783.32

Finding the Fourth Proportional to 22,162.92, 33,191.52 and 12,783.32

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Solution

The fourth proportional to 22,162.92, 33,191.52 and 12,783.32 is: 19,144.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,162.92 : 33,191.52 = 12,783.32 : x
  2. Step 2: Convert to fraction form
    22,162.92/33,191.52 = 12,783.32/x
  3. Step 3: Cross multiply
    22,162.92x = 33,191.52 × 12,783.32
  4. Step 4: Simplify right side
    22,162.92x = 424,297,655.49
  5. Step 5: Solve for x
    x = 424,297,655.49/22,162.92
  6. Step 6: Final answer
    x = 19,144.48

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1.5x scale

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.