Home / 13,662.75-18,851.36-7,693.23

Finding the Fourth Proportional to 13,662.75, 18,851.36 and 7,693.23

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Solution

The fourth proportional to 13,662.75, 18,851.36 and 7,693.23 is: 10,614.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,662.75 : 18,851.36 = 7,693.23 : x
  2. Step 2: Convert to fraction form
    13,662.75/18,851.36 = 7,693.23/x
  3. Step 3: Cross multiply
    13,662.75x = 18,851.36 × 7,693.23
  4. Step 4: Simplify right side
    13,662.75x = 145,027,809.83
  5. Step 5: Solve for x
    x = 145,027,809.83/13,662.75
  6. Step 6: Final answer
    x = 10,614.83

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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.