Home / 13,857.08-19,089.27-11,023.49

Finding the Fourth Proportional to 13,857.08, 19,089.27 and 11,023.49

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Solution

The fourth proportional to 13,857.08, 19,089.27 and 11,023.49 is: 15,185.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,857.08 : 19,089.27 = 11,023.49 : x
  2. Step 2: Convert to fraction form
    13,857.08/19,089.27 = 11,023.49/x
  3. Step 3: Cross multiply
    13,857.08x = 19,089.27 × 11,023.49
  4. Step 4: Simplify right side
    13,857.08x = 210,430,424.68
  5. Step 5: Solve for x
    x = 210,430,424.68/13,857.08
  6. Step 6: Final answer
    x = 15,185.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.