Home / 26,571.98-39,864.52-7,851.92

Finding the Fourth Proportional to 26,571.98, 39,864.52 and 7,851.92

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Solution

The fourth proportional to 26,571.98, 39,864.52 and 7,851.92 is: 11,779.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,571.98 : 39,864.52 = 7,851.92 : x
  2. Step 2: Convert to fraction form
    26,571.98/39,864.52 = 7,851.92/x
  3. Step 3: Cross multiply
    26,571.98x = 39,864.52 × 7,851.92
  4. Step 4: Simplify right side
    26,571.98x = 313,013,021.88
  5. Step 5: Solve for x
    x = 313,013,021.88/26,571.98
  6. Step 6: Final answer
    x = 11,779.82

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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.