Home / 14,975.22-20,660.79-9,673.62

Finding the Fourth Proportional to 14,975.22, 20,660.79 and 9,673.62

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Solution

The fourth proportional to 14,975.22, 20,660.79 and 9,673.62 is: 13,346.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,975.22 : 20,660.79 = 9,673.62 : x
  2. Step 2: Convert to fraction form
    14,975.22/20,660.79 = 9,673.62/x
  3. Step 3: Cross multiply
    14,975.22x = 20,660.79 × 9,673.62
  4. Step 4: Simplify right side
    14,975.22x = 199,864,631.36
  5. Step 5: Solve for x
    x = 199,864,631.36/14,975.22
  6. Step 6: Final answer
    x = 13,346.36

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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.