Home / 34,644.69-47,809.53-18,729.14

Finding the Fourth Proportional to 34,644.69, 47,809.53 and 18,729.14

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Solution

The fourth proportional to 34,644.69, 47,809.53 and 18,729.14 is: 25,846.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,644.69 : 47,809.53 = 18,729.14 : x
  2. Step 2: Convert to fraction form
    34,644.69/47,809.53 = 18,729.14/x
  3. Step 3: Cross multiply
    34,644.69x = 47,809.53 × 18,729.14
  4. Step 4: Simplify right side
    34,644.69x = 895,431,141.66
  5. Step 5: Solve for x
    x = 895,431,141.66/34,644.69
  6. Step 6: Final answer
    x = 25,846.13

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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.