Home / 13,107.42-18,072.52-10,708.50

Finding the Fourth Proportional to 13,107.42, 18,072.52 and 10,708.50

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Solution

The fourth proportional to 13,107.42, 18,072.52 and 10,708.50 is: 14,764.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,107.42 : 18,072.52 = 10,708.50 : x
  2. Step 2: Convert to fraction form
    13,107.42/18,072.52 = 10,708.50/x
  3. Step 3: Cross multiply
    13,107.42x = 18,072.52 × 10,708.50
  4. Step 4: Simplify right side
    13,107.42x = 193,529,621.42
  5. Step 5: Solve for x
    x = 193,529,621.42/13,107.42
  6. Step 6: Final answer
    x = 14,764.89

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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.