Home / 13,065.20-19,623.96-10,729.52

Finding the Fourth Proportional to 13,065.20, 19,623.96 and 10,729.52

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Solution

The fourth proportional to 13,065.20, 19,623.96 and 10,729.52 is: 16,115.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,065.20 : 19,623.96 = 10,729.52 : x
  2. Step 2: Convert to fraction form
    13,065.20/19,623.96 = 10,729.52/x
  3. Step 3: Cross multiply
    13,065.20x = 19,623.96 × 10,729.52
  4. Step 4: Simplify right side
    13,065.20x = 210,555,671.30
  5. Step 5: Solve for x
    x = 210,555,671.30/13,065.20
  6. Step 6: Final answer
    x = 16,115.76

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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.