Home / 14,760.84-20,370.34-8,472.76

Finding the Fourth Proportional to 14,760.84, 20,370.34 and 8,472.76

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Solution

The fourth proportional to 14,760.84, 20,370.34 and 8,472.76 is: 11,692.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,760.84 : 20,370.34 = 8,472.76 : x
  2. Step 2: Convert to fraction form
    14,760.84/20,370.34 = 8,472.76/x
  3. Step 3: Cross multiply
    14,760.84x = 20,370.34 × 8,472.76
  4. Step 4: Simplify right side
    14,760.84x = 172,593,001.94
  5. Step 5: Solve for x
    x = 172,593,001.94/14,760.84
  6. Step 6: Final answer
    x = 11,692.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.