Home / 18,625.28-25,703.64-10,670

Finding the Fourth Proportional to 18,625.28, 25,703.64 and 10,670

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Solution

The fourth proportional to 18,625.28, 25,703.64 and 10,670 is: 14,725.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,625.28 : 25,703.64 = 10,670 : x
  2. Step 2: Convert to fraction form
    18,625.28/25,703.64 = 10,670/x
  3. Step 3: Cross multiply
    18,625.28x = 25,703.64 × 10,670
  4. Step 4: Simplify right side
    18,625.28x = 274,257,838.80
  5. Step 5: Solve for x
    x = 274,257,838.80/18,625.28
  6. Step 6: Final answer
    x = 14,725.03

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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.