Home / 18,229.43-25,156.10-10,271.45

Finding the Fourth Proportional to 18,229.43, 25,156.10 and 10,271.45

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Solution

The fourth proportional to 18,229.43, 25,156.10 and 10,271.45 is: 14,174.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,229.43 : 25,156.10 = 10,271.45 : x
  2. Step 2: Convert to fraction form
    18,229.43/25,156.10 = 10,271.45/x
  3. Step 3: Cross multiply
    18,229.43x = 25,156.10 × 10,271.45
  4. Step 4: Simplify right side
    18,229.43x = 258,389,711.91
  5. Step 5: Solve for x
    x = 258,389,711.91/18,229.43
  6. Step 6: Final answer
    x = 14,174.31

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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.