Home / 18,633.53-25,715.17-10,675.78

Finding the Fourth Proportional to 18,633.53, 25,715.17 and 10,675.78

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Solution

The fourth proportional to 18,633.53, 25,715.17 and 10,675.78 is: 14,733.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,633.53 : 25,715.17 = 10,675.78 : x
  2. Step 2: Convert to fraction form
    18,633.53/25,715.17 = 10,675.78/x
  3. Step 3: Cross multiply
    18,633.53x = 25,715.17 × 10,675.78
  4. Step 4: Simplify right side
    18,633.53x = 274,529,446.64
  5. Step 5: Solve for x
    x = 274,529,446.64/18,633.53
  6. Step 6: Final answer
    x = 14,733.09

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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.