Home / 13,126.14-19,682.73-5,727.39

Finding the Fourth Proportional to 13,126.14, 19,682.73 and 5,727.39

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Solution

The fourth proportional to 13,126.14, 19,682.73 and 5,727.39 is: 8,588.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,126.14 : 19,682.73 = 5,727.39 : x
  2. Step 2: Convert to fraction form
    13,126.14/19,682.73 = 5,727.39/x
  3. Step 3: Cross multiply
    13,126.14x = 19,682.73 × 5,727.39
  4. Step 4: Simplify right side
    13,126.14x = 112,730,670.97
  5. Step 5: Solve for x
    x = 112,730,670.97/13,126.14
  6. Step 6: Final answer
    x = 8,588.26

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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.