Home / 14,147.45-19,524.09-7,859.82

Finding the Fourth Proportional to 14,147.45, 19,524.09 and 7,859.82

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Solution

The fourth proportional to 14,147.45, 19,524.09 and 7,859.82 is: 10,846.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,147.45 : 19,524.09 = 7,859.82 : x
  2. Step 2: Convert to fraction form
    14,147.45/19,524.09 = 7,859.82/x
  3. Step 3: Cross multiply
    14,147.45x = 19,524.09 × 7,859.82
  4. Step 4: Simplify right side
    14,147.45x = 153,455,833.06
  5. Step 5: Solve for x
    x = 153,455,833.06/14,147.45
  6. Step 6: Final answer
    x = 10,846.89

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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.