Home / 25,753.36-38,559.78-19,494.40

Finding the Fourth Proportional to 25,753.36, 38,559.78 and 19,494.40

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Solution

The fourth proportional to 25,753.36, 38,559.78 and 19,494.40 is: 29,188.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,753.36 : 38,559.78 = 19,494.40 : x
  2. Step 2: Convert to fraction form
    25,753.36/38,559.78 = 19,494.40/x
  3. Step 3: Cross multiply
    25,753.36x = 38,559.78 × 19,494.40
  4. Step 4: Simplify right side
    25,753.36x = 751,699,775.23
  5. Step 5: Solve for x
    x = 751,699,775.23/25,753.36
  6. Step 6: Final answer
    x = 29,188.42

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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.