Home / 22,121.84-33,185.16-11,031.32

Finding the Fourth Proportional to 22,121.84, 33,185.16 and 11,031.32

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Solution

The fourth proportional to 22,121.84, 33,185.16 and 11,031.32 is: 16,548.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,121.84 : 33,185.16 = 11,031.32 : x
  2. Step 2: Convert to fraction form
    22,121.84/33,185.16 = 11,031.32/x
  3. Step 3: Cross multiply
    22,121.84x = 33,185.16 × 11,031.32
  4. Step 4: Simplify right side
    22,121.84x = 366,076,119.21
  5. Step 5: Solve for x
    x = 366,076,119.21/22,121.84
  6. Step 6: Final answer
    x = 16,548.18

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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.