Home / 25,431.54-38,110.45-18,050.41

Finding the Fourth Proportional to 25,431.54, 38,110.45 and 18,050.41

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Solution

The fourth proportional to 25,431.54, 38,110.45 and 18,050.41 is: 27,049.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,431.54 : 38,110.45 = 18,050.41 : x
  2. Step 2: Convert to fraction form
    25,431.54/38,110.45 = 18,050.41/x
  3. Step 3: Cross multiply
    25,431.54x = 38,110.45 × 18,050.41
  4. Step 4: Simplify right side
    25,431.54x = 687,909,247.78
  5. Step 5: Solve for x
    x = 687,909,247.78/25,431.54
  6. Step 6: Final answer
    x = 27,049.45

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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.