Home / 16,129.28-22,258.56-9,055.44

Finding the Fourth Proportional to 16,129.28, 22,258.56 and 9,055.44

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Solution

The fourth proportional to 16,129.28, 22,258.56 and 9,055.44 is: 12,496.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,129.28 : 22,258.56 = 9,055.44 : x
  2. Step 2: Convert to fraction form
    16,129.28/22,258.56 = 9,055.44/x
  3. Step 3: Cross multiply
    16,129.28x = 22,258.56 × 9,055.44
  4. Step 4: Simplify right side
    16,129.28x = 201,561,054.57
  5. Step 5: Solve for x
    x = 201,561,054.57/16,129.28
  6. Step 6: Final answer
    x = 12,496.59

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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.