Home / 15,735.44-21,717.96-9,025.04

Finding the Fourth Proportional to 15,735.44, 21,717.96 and 9,025.04

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Solution

The fourth proportional to 15,735.44, 21,717.96 and 9,025.04 is: 12,456.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,735.44 : 21,717.96 = 9,025.04 : x
  2. Step 2: Convert to fraction form
    15,735.44/21,717.96 = 9,025.04/x
  3. Step 3: Cross multiply
    15,735.44x = 21,717.96 × 9,025.04
  4. Step 4: Simplify right side
    15,735.44x = 196,005,457.72
  5. Step 5: Solve for x
    x = 196,005,457.72/15,735.44
  6. Step 6: Final answer
    x = 12,456.31

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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.