Home / 25,953.44-38,930.12-18,572.30

Finding the Fourth Proportional to 25,953.44, 38,930.12 and 18,572.30

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Solution

The fourth proportional to 25,953.44, 38,930.12 and 18,572.30 is: 27,858.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,953.44 : 38,930.12 = 18,572.30 : x
  2. Step 2: Convert to fraction form
    25,953.44/38,930.12 = 18,572.30/x
  3. Step 3: Cross multiply
    25,953.44x = 38,930.12 × 18,572.30
  4. Step 4: Simplify right side
    25,953.44x = 723,021,867.68
  5. Step 5: Solve for x
    x = 723,021,867.68/25,953.44
  6. Step 6: Final answer
    x = 27,858.42

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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.