Home / 25,452.11-38,179.37-21,001.52

Finding the Fourth Proportional to 25,452.11, 38,179.37 and 21,001.52

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Solution

The fourth proportional to 25,452.11, 38,179.37 and 21,001.52 is: 31,503.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,452.11 : 38,179.37 = 21,001.52 : x
  2. Step 2: Convert to fraction form
    25,452.11/38,179.37 = 21,001.52/x
  3. Step 3: Cross multiply
    25,452.11x = 38,179.37 × 21,001.52
  4. Step 4: Simplify right side
    25,452.11x = 801,824,697.63
  5. Step 5: Solve for x
    x = 801,824,697.63/25,452.11
  6. Step 6: Final answer
    x = 31,503.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.