Home / 19,780.73-27,296.59-10,828.01

Finding the Fourth Proportional to 19,780.73, 27,296.59 and 10,828.01

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Solution

The fourth proportional to 19,780.73, 27,296.59 and 10,828.01 is: 14,942.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,780.73 : 27,296.59 = 10,828.01 : x
  2. Step 2: Convert to fraction form
    19,780.73/27,296.59 = 10,828.01/x
  3. Step 3: Cross multiply
    19,780.73x = 27,296.59 × 10,828.01
  4. Step 4: Simplify right side
    19,780.73x = 295,567,695.35
  5. Step 5: Solve for x
    x = 295,567,695.35/19,780.73
  6. Step 6: Final answer
    x = 14,942.20

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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.