Home / 13,530.44-20,295.77-10,263.71

Finding the Fourth Proportional to 13,530.44, 20,295.77 and 10,263.71

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Solution

The fourth proportional to 13,530.44, 20,295.77 and 10,263.71 is: 15,395.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,530.44 : 20,295.77 = 10,263.71 : x
  2. Step 2: Convert to fraction form
    13,530.44/20,295.77 = 10,263.71/x
  3. Step 3: Cross multiply
    13,530.44x = 20,295.77 × 10,263.71
  4. Step 4: Simplify right side
    13,530.44x = 208,309,896.93
  5. Step 5: Solve for x
    x = 208,309,896.93/13,530.44
  6. Step 6: Final answer
    x = 15,395.65

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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.