Home / 14,572.30-20,107.05-8,601.70

Finding the Fourth Proportional to 14,572.30, 20,107.05 and 8,601.70

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Solution

The fourth proportional to 14,572.30, 20,107.05 and 8,601.70 is: 11,868.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,572.30 : 20,107.05 = 8,601.70 : x
  2. Step 2: Convert to fraction form
    14,572.30/20,107.05 = 8,601.70/x
  3. Step 3: Cross multiply
    14,572.30x = 20,107.05 × 8,601.70
  4. Step 4: Simplify right side
    14,572.30x = 172,954,811.99
  5. Step 5: Solve for x
    x = 172,954,811.99/14,572.30
  6. Step 6: Final answer
    x = 11,868.74

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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.