Home / 13,704.06-20,536.65-10,014.78

Finding the Fourth Proportional to 13,704.06, 20,536.65 and 10,014.78

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Solution

The fourth proportional to 13,704.06, 20,536.65 and 10,014.78 is: 15,007.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,704.06 : 20,536.65 = 10,014.78 : x
  2. Step 2: Convert to fraction form
    13,704.06/20,536.65 = 10,014.78/x
  3. Step 3: Cross multiply
    13,704.06x = 20,536.65 × 10,014.78
  4. Step 4: Simplify right side
    13,704.06x = 205,670,031.69
  5. Step 5: Solve for x
    x = 205,670,031.69/13,704.06
  6. Step 6: Final answer
    x = 15,007.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.