Home / 22,151.20-33,226.80-11,783.20

Finding the Fourth Proportional to 22,151.20, 33,226.80 and 11,783.20

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Solution

The fourth proportional to 22,151.20, 33,226.80 and 11,783.20 is: 17,674.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,151.20 : 33,226.80 = 11,783.20 : x
  2. Step 2: Convert to fraction form
    22,151.20/33,226.80 = 11,783.20/x
  3. Step 3: Cross multiply
    22,151.20x = 33,226.80 × 11,783.20
  4. Step 4: Simplify right side
    22,151.20x = 391,518,029.76
  5. Step 5: Solve for x
    x = 391,518,029.76/22,151.20
  6. Step 6: Final answer
    x = 17,674.80

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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.