Home / 20,182.40-27,816.72-19,016

Finding the Fourth Proportional to 20,182.40, 27,816.72 and 19,016

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Solution

The fourth proportional to 20,182.40, 27,816.72 and 19,016 is: 26,209.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,182.40 : 27,816.72 = 19,016 : x
  2. Step 2: Convert to fraction form
    20,182.40/27,816.72 = 19,016/x
  3. Step 3: Cross multiply
    20,182.40x = 27,816.72 × 19,016
  4. Step 4: Simplify right side
    20,182.40x = 528,962,747.52
  5. Step 5: Solve for x
    x = 528,962,747.52/20,182.40
  6. Step 6: Final answer
    x = 26,209.11

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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.