Home / 16,629.59-22,948.25-9,911.75

Finding the Fourth Proportional to 16,629.59, 22,948.25 and 9,911.75

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Solution

The fourth proportional to 16,629.59, 22,948.25 and 9,911.75 is: 13,677.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,629.59 : 22,948.25 = 9,911.75 : x
  2. Step 2: Convert to fraction form
    16,629.59/22,948.25 = 9,911.75/x
  3. Step 3: Cross multiply
    16,629.59x = 22,948.25 × 9,911.75
  4. Step 4: Simplify right side
    16,629.59x = 227,457,399.09
  5. Step 5: Solve for x
    x = 227,457,399.09/16,629.59
  6. Step 6: Final answer
    x = 13,677.88

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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.