Home / 20,091.51-27,725.63-12,533.94

Finding the Fourth Proportional to 20,091.51, 27,725.63 and 12,533.94

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Solution

The fourth proportional to 20,091.51, 27,725.63 and 12,533.94 is: 17,296.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,091.51 : 27,725.63 = 12,533.94 : x
  2. Step 2: Convert to fraction form
    20,091.51/27,725.63 = 12,533.94/x
  3. Step 3: Cross multiply
    20,091.51x = 27,725.63 × 12,533.94
  4. Step 4: Simplify right side
    20,091.51x = 347,511,320.21
  5. Step 5: Solve for x
    x = 347,511,320.21/20,091.51
  6. Step 6: Final answer
    x = 17,296.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.