Home / 20,595.89-28,422.07-11,164.25

Finding the Fourth Proportional to 20,595.89, 28,422.07 and 11,164.25

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Solution

The fourth proportional to 20,595.89, 28,422.07 and 11,164.25 is: 15,406.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,595.89 : 28,422.07 = 11,164.25 : x
  2. Step 2: Convert to fraction form
    20,595.89/28,422.07 = 11,164.25/x
  3. Step 3: Cross multiply
    20,595.89x = 28,422.07 × 11,164.25
  4. Step 4: Simplify right side
    20,595.89x = 317,310,924.98
  5. Step 5: Solve for x
    x = 317,310,924.98/20,595.89
  6. Step 6: Final answer
    x = 15,406.52

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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.