Home / 20,525.91-28,325.74-11,094.47

Finding the Fourth Proportional to 20,525.91, 28,325.74 and 11,094.47

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Solution

The fourth proportional to 20,525.91, 28,325.74 and 11,094.47 is: 15,310.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,525.91 : 28,325.74 = 11,094.47 : x
  2. Step 2: Convert to fraction form
    20,525.91/28,325.74 = 11,094.47/x
  3. Step 3: Cross multiply
    20,525.91x = 28,325.74 × 11,094.47
  4. Step 4: Simplify right side
    20,525.91x = 314,259,072.66
  5. Step 5: Solve for x
    x = 314,259,072.66/20,525.91
  6. Step 6: Final answer
    x = 15,310.36

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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.