Home / 25,651.44-38,535.56-18,557.57

Finding the Fourth Proportional to 25,651.44, 38,535.56 and 18,557.57

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Solution

The fourth proportional to 25,651.44, 38,535.56 and 18,557.57 is: 27,878.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,651.44 : 38,535.56 = 18,557.57 : x
  2. Step 2: Convert to fraction form
    25,651.44/38,535.56 = 18,557.57/x
  3. Step 3: Cross multiply
    25,651.44x = 38,535.56 × 18,557.57
  4. Step 4: Simplify right side
    25,651.44x = 715,126,066.72
  5. Step 5: Solve for x
    x = 715,126,066.72/25,651.44
  6. Step 6: Final answer
    x = 27,878.59

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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.