Home / 18,190.30-25,101.21-10,230.94

Finding the Fourth Proportional to 18,190.30, 25,101.21 and 10,230.94

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Solution

The fourth proportional to 18,190.30, 25,101.21 and 10,230.94 is: 14,117.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,190.30 : 25,101.21 = 10,230.94 : x
  2. Step 2: Convert to fraction form
    18,190.30/25,101.21 = 10,230.94/x
  3. Step 3: Cross multiply
    18,190.30x = 25,101.21 × 10,230.94
  4. Step 4: Simplify right side
    18,190.30x = 256,808,973.44
  5. Step 5: Solve for x
    x = 256,808,973.44/18,190.30
  6. Step 6: Final answer
    x = 14,117.91

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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.