Home / 25,122.92-34,670.82-13,945

Finding the Fourth Proportional to 25,122.92, 34,670.82 and 13,945

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Solution

The fourth proportional to 25,122.92, 34,670.82 and 13,945 is: 19,244.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,122.92 : 34,670.82 = 13,945 : x
  2. Step 2: Convert to fraction form
    25,122.92/34,670.82 = 13,945/x
  3. Step 3: Cross multiply
    25,122.92x = 34,670.82 × 13,945
  4. Step 4: Simplify right side
    25,122.92x = 483,484,584.90
  5. Step 5: Solve for x
    x = 483,484,584.90/25,122.92
  6. Step 6: Final answer
    x = 19,244.76

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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.