Home / 25,355.64-38,027.79-7,822.38

Finding the Fourth Proportional to 25,355.64, 38,027.79 and 7,822.38

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Solution

The fourth proportional to 25,355.64, 38,027.79 and 7,822.38 is: 11,731.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,355.64 : 38,027.79 = 7,822.38 : x
  2. Step 2: Convert to fraction form
    25,355.64/38,027.79 = 7,822.38/x
  3. Step 3: Cross multiply
    25,355.64x = 38,027.79 × 7,822.38
  4. Step 4: Simplify right side
    25,355.64x = 297,467,823.94
  5. Step 5: Solve for x
    x = 297,467,823.94/25,355.64
  6. Step 6: Final answer
    x = 11,731.82

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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.