Home / 13,829.08-20,743.57-11,042.69

Finding the Fourth Proportional to 13,829.08, 20,743.57 and 11,042.69

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Solution

The fourth proportional to 13,829.08, 20,743.57 and 11,042.69 is: 16,564.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,829.08 : 20,743.57 = 11,042.69 : x
  2. Step 2: Convert to fraction form
    13,829.08/20,743.57 = 11,042.69/x
  3. Step 3: Cross multiply
    13,829.08x = 20,743.57 × 11,042.69
  4. Step 4: Simplify right side
    13,829.08x = 229,064,813.00
  5. Step 5: Solve for x
    x = 229,064,813.00/13,829.08
  6. Step 6: Final answer
    x = 16,564.00

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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.