Home / 18,240.91-25,172.10-10,282.98

Finding the Fourth Proportional to 18,240.91, 25,172.10 and 10,282.98

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Solution

The fourth proportional to 18,240.91, 25,172.10 and 10,282.98 is: 14,190.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,240.91 : 25,172.10 = 10,282.98 : x
  2. Step 2: Convert to fraction form
    18,240.91/25,172.10 = 10,282.98/x
  3. Step 3: Cross multiply
    18,240.91x = 25,172.10 × 10,282.98
  4. Step 4: Simplify right side
    18,240.91x = 258,844,200.86
  5. Step 5: Solve for x
    x = 258,844,200.86/18,240.91
  6. Step 6: Final answer
    x = 14,190.31

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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.