Home / 16,629.71-22,949.26-9,919.26

Finding the Fourth Proportional to 16,629.71, 22,949.26 and 9,919.26

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Solution

The fourth proportional to 16,629.71, 22,949.26 and 9,919.26 is: 13,688.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,629.71 : 22,949.26 = 9,919.26 : x
  2. Step 2: Convert to fraction form
    16,629.71/22,949.26 = 9,919.26/x
  3. Step 3: Cross multiply
    16,629.71x = 22,949.26 × 9,919.26
  4. Step 4: Simplify right side
    16,629.71x = 227,639,693.80
  5. Step 5: Solve for x
    x = 227,639,693.80/16,629.71
  6. Step 6: Final answer
    x = 13,688.74

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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.