Home / 14,661.20-21,979.42-9,968.03

Finding the Fourth Proportional to 14,661.20, 21,979.42 and 9,968.03

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Solution

The fourth proportional to 14,661.20, 21,979.42 and 9,968.03 is: 14,943.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,661.20 : 21,979.42 = 9,968.03 : x
  2. Step 2: Convert to fraction form
    14,661.20/21,979.42 = 9,968.03/x
  3. Step 3: Cross multiply
    14,661.20x = 21,979.42 × 9,968.03
  4. Step 4: Simplify right side
    14,661.20x = 219,091,465.55
  5. Step 5: Solve for x
    x = 219,091,465.55/14,661.20
  6. Step 6: Final answer
    x = 14,943.62

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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.