Home / 13,327.27-18,391.92-7,359.32

Finding the Fourth Proportional to 13,327.27, 18,391.92 and 7,359.32

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Solution

The fourth proportional to 13,327.27, 18,391.92 and 7,359.32 is: 10,156.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,327.27 : 18,391.92 = 7,359.32 : x
  2. Step 2: Convert to fraction form
    13,327.27/18,391.92 = 7,359.32/x
  3. Step 3: Cross multiply
    13,327.27x = 18,391.92 × 7,359.32
  4. Step 4: Simplify right side
    13,327.27x = 135,352,024.69
  5. Step 5: Solve for x
    x = 135,352,024.69/13,327.27
  6. Step 6: Final answer
    x = 10,156.02

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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.