Home / 34,645.05-47,810.13-18,729.48

Finding the Fourth Proportional to 34,645.05, 47,810.13 and 18,729.48

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Solution

The fourth proportional to 34,645.05, 47,810.13 and 18,729.48 is: 25,846.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,645.05 : 47,810.13 = 18,729.48 : x
  2. Step 2: Convert to fraction form
    34,645.05/47,810.13 = 18,729.48/x
  3. Step 3: Cross multiply
    34,645.05x = 47,810.13 × 18,729.48
  4. Step 4: Simplify right side
    34,645.05x = 895,458,873.63
  5. Step 5: Solve for x
    x = 895,458,873.63/34,645.05
  6. Step 6: Final answer
    x = 25,846.66

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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.