Home / 14,260.40-21,391.46-5,495.32

Finding the Fourth Proportional to 14,260.40, 21,391.46 and 5,495.32

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Solution

The fourth proportional to 14,260.40, 21,391.46 and 5,495.32 is: 8,243.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,260.40 : 21,391.46 = 5,495.32 : x
  2. Step 2: Convert to fraction form
    14,260.40/21,391.46 = 5,495.32/x
  3. Step 3: Cross multiply
    14,260.40x = 21,391.46 × 5,495.32
  4. Step 4: Simplify right side
    14,260.40x = 117,552,917.97
  5. Step 5: Solve for x
    x = 117,552,917.97/14,260.40
  6. Step 6: Final answer
    x = 8,243.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.