Home / 25,171.85-34,685.97-19,471.98

Finding the Fourth Proportional to 25,171.85, 34,685.97 and 19,471.98

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Solution

The fourth proportional to 25,171.85, 34,685.97 and 19,471.98 is: 26,831.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,171.85 : 34,685.97 = 19,471.98 : x
  2. Step 2: Convert to fraction form
    25,171.85/34,685.97 = 19,471.98/x
  3. Step 3: Cross multiply
    25,171.85x = 34,685.97 × 19,471.98
  4. Step 4: Simplify right side
    25,171.85x = 675,404,562.80
  5. Step 5: Solve for x
    x = 675,404,562.80/25,171.85
  6. Step 6: Final answer
    x = 26,831.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.