Home / 14,869.06-20,520.21-8,581.84

Finding the Fourth Proportional to 14,869.06, 20,520.21 and 8,581.84

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Solution

The fourth proportional to 14,869.06, 20,520.21 and 8,581.84 is: 11,843.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,869.06 : 20,520.21 = 8,581.84 : x
  2. Step 2: Convert to fraction form
    14,869.06/20,520.21 = 8,581.84/x
  3. Step 3: Cross multiply
    14,869.06x = 20,520.21 × 8,581.84
  4. Step 4: Simplify right side
    14,869.06x = 176,101,158.99
  5. Step 5: Solve for x
    x = 176,101,158.99/14,869.06
  6. Step 6: Final answer
    x = 11,843.46

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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.