Home / 18,257.21-25,193.41-10,190.13

Finding the Fourth Proportional to 18,257.21, 25,193.41 and 10,190.13

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Solution

The fourth proportional to 18,257.21, 25,193.41 and 10,190.13 is: 14,061.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,257.21 : 25,193.41 = 10,190.13 : x
  2. Step 2: Convert to fraction form
    18,257.21/25,193.41 = 10,190.13/x
  3. Step 3: Cross multiply
    18,257.21x = 25,193.41 × 10,190.13
  4. Step 4: Simplify right side
    18,257.21x = 256,724,123.04
  5. Step 5: Solve for x
    x = 256,724,123.04/18,257.21
  6. Step 6: Final answer
    x = 14,061.52

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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.