Home / 22,116.32-33,160-14,611.12

Finding the Fourth Proportional to 22,116.32, 33,160 and 14,611.12

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Solution

The fourth proportional to 22,116.32, 33,160 and 14,611.12 is: 21,907.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,116.32 : 33,160 = 14,611.12 : x
  2. Step 2: Convert to fraction form
    22,116.32/33,160 = 14,611.12/x
  3. Step 3: Cross multiply
    22,116.32x = 33,160 × 14,611.12
  4. Step 4: Simplify right side
    22,116.32x = 484,504,739.20
  5. Step 5: Solve for x
    x = 484,504,739.20/22,116.32
  6. Step 6: Final answer
    x = 21,907.11

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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.