Home / 13,241.79-18,276.27-7,500.27

Finding the Fourth Proportional to 13,241.79, 18,276.27 and 7,500.27

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Solution

The fourth proportional to 13,241.79, 18,276.27 and 7,500.27 is: 10,351.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,241.79 : 18,276.27 = 7,500.27 : x
  2. Step 2: Convert to fraction form
    13,241.79/18,276.27 = 7,500.27/x
  3. Step 3: Cross multiply
    13,241.79x = 18,276.27 × 7,500.27
  4. Step 4: Simplify right side
    13,241.79x = 137,076,992.11
  5. Step 5: Solve for x
    x = 137,076,992.11/13,241.79
  6. Step 6: Final answer
    x = 10,351.85

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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.