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Finding the Fourth Proportional to 18,713, 25,824.30 and 10,329.32

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Solution

The fourth proportional to 18,713, 25,824.30 and 10,329.32 is: 14,254.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,713 : 25,824.30 = 10,329.32 : x
  2. Step 2: Convert to fraction form
    18,713/25,824.30 = 10,329.32/x
  3. Step 3: Cross multiply
    18,713x = 25,824.30 × 10,329.32
  4. Step 4: Simplify right side
    18,713x = 266,747,458.48
  5. Step 5: Solve for x
    x = 266,747,458.48/18,713
  6. Step 6: Final answer
    x = 14,254.66

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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.