Home / 18,620.46-25,694.72-10,962.53

Finding the Fourth Proportional to 18,620.46, 25,694.72 and 10,962.53

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Solution

The fourth proportional to 18,620.46, 25,694.72 and 10,962.53 is: 15,127.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,620.46 : 25,694.72 = 10,962.53 : x
  2. Step 2: Convert to fraction form
    18,620.46/25,694.72 = 10,962.53/x
  3. Step 3: Cross multiply
    18,620.46x = 25,694.72 × 10,962.53
  4. Step 4: Simplify right side
    18,620.46x = 281,678,955.56
  5. Step 5: Solve for x
    x = 281,678,955.56/18,620.46
  6. Step 6: Final answer
    x = 15,127.39

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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.