Home / 34,872.05-52,313.95-13,800.98

Finding the Fourth Proportional to 34,872.05, 52,313.95 and 13,800.98

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Solution

The fourth proportional to 34,872.05, 52,313.95 and 13,800.98 is: 20,703.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,872.05 : 52,313.95 = 13,800.98 : x
  2. Step 2: Convert to fraction form
    34,872.05/52,313.95 = 13,800.98/x
  3. Step 3: Cross multiply
    34,872.05x = 52,313.95 × 13,800.98
  4. Step 4: Simplify right side
    34,872.05x = 721,983,481.60
  5. Step 5: Solve for x
    x = 721,983,481.60/34,872.05
  6. Step 6: Final answer
    x = 20,703.79

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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.