Home / 25,945.92-38,915.60-7,227.36

Finding the Fourth Proportional to 25,945.92, 38,915.60 and 7,227.36

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Solution

The fourth proportional to 25,945.92, 38,915.60 and 7,227.36 is: 10,840.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,945.92 : 38,915.60 = 7,227.36 : x
  2. Step 2: Convert to fraction form
    25,945.92/38,915.60 = 7,227.36/x
  3. Step 3: Cross multiply
    25,945.92x = 38,915.60 × 7,227.36
  4. Step 4: Simplify right side
    25,945.92x = 281,257,050.82
  5. Step 5: Solve for x
    x = 281,257,050.82/25,945.92
  6. Step 6: Final answer
    x = 10,840.13

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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.