Home / 18,553.90-25,583.78-14,295.46

Finding the Fourth Proportional to 18,553.90, 25,583.78 and 14,295.46

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Solution

The fourth proportional to 18,553.90, 25,583.78 and 14,295.46 is: 19,711.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,553.90 : 25,583.78 = 14,295.46 : x
  2. Step 2: Convert to fraction form
    18,553.90/25,583.78 = 14,295.46/x
  3. Step 3: Cross multiply
    18,553.90x = 25,583.78 × 14,295.46
  4. Step 4: Simplify right side
    18,553.90x = 365,732,046.13
  5. Step 5: Solve for x
    x = 365,732,046.13/18,553.90
  6. Step 6: Final answer
    x = 19,711.87

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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.