Home / 20,053.73-27,674.80-11,555.17

Finding the Fourth Proportional to 20,053.73, 27,674.80 and 11,555.17

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Solution

The fourth proportional to 20,053.73, 27,674.80 and 11,555.17 is: 15,946.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,053.73 : 27,674.80 = 11,555.17 : x
  2. Step 2: Convert to fraction form
    20,053.73/27,674.80 = 11,555.17/x
  3. Step 3: Cross multiply
    20,053.73x = 27,674.80 × 11,555.17
  4. Step 4: Simplify right side
    20,053.73x = 319,786,920.64
  5. Step 5: Solve for x
    x = 319,786,920.64/20,053.73
  6. Step 6: Final answer
    x = 15,946.50

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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.