Home / 28,318.33-42,474.56-9,597.88

Finding the Fourth Proportional to 28,318.33, 42,474.56 and 9,597.88

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Solution

The fourth proportional to 28,318.33, 42,474.56 and 9,597.88 is: 14,395.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,318.33 : 42,474.56 = 9,597.88 : x
  2. Step 2: Convert to fraction form
    28,318.33/42,474.56 = 9,597.88/x
  3. Step 3: Cross multiply
    28,318.33x = 42,474.56 × 9,597.88
  4. Step 4: Simplify right side
    28,318.33x = 407,665,729.93
  5. Step 5: Solve for x
    x = 407,665,729.93/28,318.33
  6. Step 6: Final answer
    x = 14,395.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.