Home / 14,639.14-20,201.88-7,924.60

Finding the Fourth Proportional to 14,639.14, 20,201.88 and 7,924.60

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Solution

The fourth proportional to 14,639.14, 20,201.88 and 7,924.60 is: 10,935.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,639.14 : 20,201.88 = 7,924.60 : x
  2. Step 2: Convert to fraction form
    14,639.14/20,201.88 = 7,924.60/x
  3. Step 3: Cross multiply
    14,639.14x = 20,201.88 × 7,924.60
  4. Step 4: Simplify right side
    14,639.14x = 160,091,715.01
  5. Step 5: Solve for x
    x = 160,091,715.01/14,639.14
  6. Step 6: Final answer
    x = 10,935.87

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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.