Home / 19,996.30-27,594.45-10,921.36

Finding the Fourth Proportional to 19,996.30, 27,594.45 and 10,921.36

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Solution

The fourth proportional to 19,996.30, 27,594.45 and 10,921.36 is: 15,071.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,996.30 : 27,594.45 = 10,921.36 : x
  2. Step 2: Convert to fraction form
    19,996.30/27,594.45 = 10,921.36/x
  3. Step 3: Cross multiply
    19,996.30x = 27,594.45 × 10,921.36
  4. Step 4: Simplify right side
    19,996.30x = 301,368,922.45
  5. Step 5: Solve for x
    x = 301,368,922.45/19,996.30
  6. Step 6: Final answer
    x = 15,071.23

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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.