Home / 34,721.81-52,082.78-12,550.84

Finding the Fourth Proportional to 34,721.81, 52,082.78 and 12,550.84

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Solution

The fourth proportional to 34,721.81, 52,082.78 and 12,550.84 is: 18,826.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,721.81 : 52,082.78 = 12,550.84 : x
  2. Step 2: Convert to fraction form
    34,721.81/52,082.78 = 12,550.84/x
  3. Step 3: Cross multiply
    34,721.81x = 52,082.78 × 12,550.84
  4. Step 4: Simplify right side
    34,721.81x = 653,682,638.54
  5. Step 5: Solve for x
    x = 653,682,638.54/34,721.81
  6. Step 6: Final answer
    x = 18,826.28

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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.