Home / 22,059.06-33,128.48-13,755.21

Finding the Fourth Proportional to 22,059.06, 33,128.48 and 13,755.21

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Solution

The fourth proportional to 22,059.06, 33,128.48 and 13,755.21 is: 20,657.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,059.06 : 33,128.48 = 13,755.21 : x
  2. Step 2: Convert to fraction form
    22,059.06/33,128.48 = 13,755.21/x
  3. Step 3: Cross multiply
    22,059.06x = 33,128.48 × 13,755.21
  4. Step 4: Simplify right side
    22,059.06x = 455,689,199.38
  5. Step 5: Solve for x
    x = 455,689,199.38/22,059.06
  6. Step 6: Final answer
    x = 20,657.69

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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.