Home / 34,512.12-51,733.35-13,438.98

Finding the Fourth Proportional to 34,512.12, 51,733.35 and 13,438.98

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Solution

The fourth proportional to 34,512.12, 51,733.35 and 13,438.98 is: 20,144.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,512.12 : 51,733.35 = 13,438.98 : x
  2. Step 2: Convert to fraction form
    34,512.12/51,733.35 = 13,438.98/x
  3. Step 3: Cross multiply
    34,512.12x = 51,733.35 × 13,438.98
  4. Step 4: Simplify right side
    34,512.12x = 695,243,455.98
  5. Step 5: Solve for x
    x = 695,243,455.98/34,512.12
  6. Step 6: Final answer
    x = 20,144.91

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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.