Home / 34,451.12-51,658.70-12,261.26

Finding the Fourth Proportional to 34,451.12, 51,658.70 and 12,261.26

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Solution

The fourth proportional to 34,451.12, 51,658.70 and 12,261.26 is: 18,385.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,451.12 : 51,658.70 = 12,261.26 : x
  2. Step 2: Convert to fraction form
    34,451.12/51,658.70 = 12,261.26/x
  3. Step 3: Cross multiply
    34,451.12x = 51,658.70 × 12,261.26
  4. Step 4: Simplify right side
    34,451.12x = 633,400,751.96
  5. Step 5: Solve for x
    x = 633,400,751.96/34,451.12
  6. Step 6: Final answer
    x = 18,385.49

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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.