Home / 20,016.48-27,616.68-13,966.56

Finding the Fourth Proportional to 20,016.48, 27,616.68 and 13,966.56

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Solution

The fourth proportional to 20,016.48, 27,616.68 and 13,966.56 is: 19,269.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,016.48 : 27,616.68 = 13,966.56 : x
  2. Step 2: Convert to fraction form
    20,016.48/27,616.68 = 13,966.56/x
  3. Step 3: Cross multiply
    20,016.48x = 27,616.68 × 13,966.56
  4. Step 4: Simplify right side
    20,016.48x = 385,710,018.22
  5. Step 5: Solve for x
    x = 385,710,018.22/20,016.48
  6. Step 6: Final answer
    x = 19,269.62

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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.