Home / 22,131.36-33,210-8,994.24

Finding the Fourth Proportional to 22,131.36, 33,210 and 8,994.24

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Solution

The fourth proportional to 22,131.36, 33,210 and 8,994.24 is: 13,496.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,131.36 : 33,210 = 8,994.24 : x
  2. Step 2: Convert to fraction form
    22,131.36/33,210 = 8,994.24/x
  3. Step 3: Cross multiply
    22,131.36x = 33,210 × 8,994.24
  4. Step 4: Simplify right side
    22,131.36x = 298,698,710.40
  5. Step 5: Solve for x
    x = 298,698,710.40/22,131.36
  6. Step 6: Final answer
    x = 13,496.63

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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.