Home / 34,745.34-52,107-12,555.78

Finding the Fourth Proportional to 34,745.34, 52,107 and 12,555.78

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Solution

The fourth proportional to 34,745.34, 52,107 and 12,555.78 is: 18,829.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,745.34 : 52,107 = 12,555.78 : x
  2. Step 2: Convert to fraction form
    34,745.34/52,107 = 12,555.78/x
  3. Step 3: Cross multiply
    34,745.34x = 52,107 × 12,555.78
  4. Step 4: Simplify right side
    34,745.34x = 654,244,028.46
  5. Step 5: Solve for x
    x = 654,244,028.46/34,745.34
  6. Step 6: Final answer
    x = 18,829.69

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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.