Home / 18,228.70-25,157.38-10,674.56

Finding the Fourth Proportional to 18,228.70, 25,157.38 and 10,674.56

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Solution

The fourth proportional to 18,228.70, 25,157.38 and 10,674.56 is: 14,731.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,228.70 : 25,157.38 = 10,674.56 : x
  2. Step 2: Convert to fraction form
    18,228.70/25,157.38 = 10,674.56/x
  3. Step 3: Cross multiply
    18,228.70x = 25,157.38 × 10,674.56
  4. Step 4: Simplify right side
    18,228.70x = 268,543,962.25
  5. Step 5: Solve for x
    x = 268,543,962.25/18,228.70
  6. Step 6: Final answer
    x = 14,731.93

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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.