Home / 14,652.29-20,218.83-8,682.99

Finding the Fourth Proportional to 14,652.29, 20,218.83 and 8,682.99

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Solution

The fourth proportional to 14,652.29, 20,218.83 and 8,682.99 is: 11,981.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,652.29 : 20,218.83 = 8,682.99 : x
  2. Step 2: Convert to fraction form
    14,652.29/20,218.83 = 8,682.99/x
  3. Step 3: Cross multiply
    14,652.29x = 20,218.83 × 8,682.99
  4. Step 4: Simplify right side
    14,652.29x = 175,559,898.70
  5. Step 5: Solve for x
    x = 175,559,898.70/14,652.29
  6. Step 6: Final answer
    x = 11,981.74

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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.