Home / 14,401.44-19,879.56-11,258.64

Finding the Fourth Proportional to 14,401.44, 19,879.56 and 11,258.64

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Solution

The fourth proportional to 14,401.44, 19,879.56 and 11,258.64 is: 15,541.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,401.44 : 19,879.56 = 11,258.64 : x
  2. Step 2: Convert to fraction form
    14,401.44/19,879.56 = 11,258.64/x
  3. Step 3: Cross multiply
    14,401.44x = 19,879.56 × 11,258.64
  4. Step 4: Simplify right side
    14,401.44x = 223,816,809.40
  5. Step 5: Solve for x
    x = 223,816,809.40/14,401.44
  6. Step 6: Final answer
    x = 15,541.28

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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.