Home / 20,525.58-28,325.43-11,094.12

Finding the Fourth Proportional to 20,525.58, 28,325.43 and 11,094.12

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Solution

The fourth proportional to 20,525.58, 28,325.43 and 11,094.12 is: 15,309.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,525.58 : 28,325.43 = 11,094.12 : x
  2. Step 2: Convert to fraction form
    20,525.58/28,325.43 = 11,094.12/x
  3. Step 3: Cross multiply
    20,525.58x = 28,325.43 × 11,094.12
  4. Step 4: Simplify right side
    20,525.58x = 314,245,719.47
  5. Step 5: Solve for x
    x = 314,245,719.47/20,525.58
  6. Step 6: Final answer
    x = 15,309.96

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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.