Home / 13,524.46-18,662.52-7,555.30

Finding the Fourth Proportional to 13,524.46, 18,662.52 and 7,555.30

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Solution

The fourth proportional to 13,524.46, 18,662.52 and 7,555.30 is: 10,425.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,524.46 : 18,662.52 = 7,555.30 : x
  2. Step 2: Convert to fraction form
    13,524.46/18,662.52 = 7,555.30/x
  3. Step 3: Cross multiply
    13,524.46x = 18,662.52 × 7,555.30
  4. Step 4: Simplify right side
    13,524.46x = 141,000,937.36
  5. Step 5: Solve for x
    x = 141,000,937.36/13,524.46
  6. Step 6: Final answer
    x = 10,425.62

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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.