Home / 13,441.13-18,548.52-7,472.03

Finding the Fourth Proportional to 13,441.13, 18,548.52 and 7,472.03

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Solution

The fourth proportional to 13,441.13, 18,548.52 and 7,472.03 is: 10,311.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,441.13 : 18,548.52 = 7,472.03 : x
  2. Step 2: Convert to fraction form
    13,441.13/18,548.52 = 7,472.03/x
  3. Step 3: Cross multiply
    13,441.13x = 18,548.52 × 7,472.03
  4. Step 4: Simplify right side
    13,441.13x = 138,595,005.15
  5. Step 5: Solve for x
    x = 138,595,005.15/13,441.13
  6. Step 6: Final answer
    x = 10,311.27

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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.