Home / 13,176.45-18,185.24-7,513.25

Finding the Fourth Proportional to 13,176.45, 18,185.24 and 7,513.25

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Solution

The fourth proportional to 13,176.45, 18,185.24 and 7,513.25 is: 10,369.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,176.45 : 18,185.24 = 7,513.25 : x
  2. Step 2: Convert to fraction form
    13,176.45/18,185.24 = 7,513.25/x
  3. Step 3: Cross multiply
    13,176.45x = 18,185.24 × 7,513.25
  4. Step 4: Simplify right side
    13,176.45x = 136,630,182.29
  5. Step 5: Solve for x
    x = 136,630,182.29/13,176.45
  6. Step 6: Final answer
    x = 10,369.27

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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.