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Finding the Fourth Proportional to 18,713.19, 25,824.29 and 10,329.69

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Solution

The fourth proportional to 18,713.19, 25,824.29 and 10,329.69 is: 14,255.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,713.19 : 25,824.29 = 10,329.69 : x
  2. Step 2: Convert to fraction form
    18,713.19/25,824.29 = 10,329.69/x
  3. Step 3: Cross multiply
    18,713.19x = 25,824.29 × 10,329.69
  4. Step 4: Simplify right side
    18,713.19x = 266,756,910.17
  5. Step 5: Solve for x
    x = 266,756,910.17/18,713.19
  6. Step 6: Final answer
    x = 14,255.02

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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.