Home / 20,525.48-28,322.75-11,572.44

Finding the Fourth Proportional to 20,525.48, 28,322.75 and 11,572.44

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Solution

The fourth proportional to 20,525.48, 28,322.75 and 11,572.44 is: 15,968.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,525.48 : 28,322.75 = 11,572.44 : x
  2. Step 2: Convert to fraction form
    20,525.48/28,322.75 = 11,572.44/x
  3. Step 3: Cross multiply
    20,525.48x = 28,322.75 × 11,572.44
  4. Step 4: Simplify right side
    20,525.48x = 327,763,470.43
  5. Step 5: Solve for x
    x = 327,763,470.43/20,525.48
  6. Step 6: Final answer
    x = 15,968.62

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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.