Home / 34,665.67-47,838.64-19,561.54

Finding the Fourth Proportional to 34,665.67, 47,838.64 and 19,561.54

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Solution

The fourth proportional to 34,665.67, 47,838.64 and 19,561.54 is: 26,994.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,665.67 : 47,838.64 = 19,561.54 : x
  2. Step 2: Convert to fraction form
    34,665.67/47,838.64 = 19,561.54/x
  3. Step 3: Cross multiply
    34,665.67x = 47,838.64 × 19,561.54
  4. Step 4: Simplify right side
    34,665.67x = 935,797,469.91
  5. Step 5: Solve for x
    x = 935,797,469.91/34,665.67
  6. Step 6: Final answer
    x = 26,994.93

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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.