Home / 19,732.36-27,231.06-11,349.40

Finding the Fourth Proportional to 19,732.36, 27,231.06 and 11,349.40

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Solution

The fourth proportional to 19,732.36, 27,231.06 and 11,349.40 is: 15,662.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,732.36 : 27,231.06 = 11,349.40 : x
  2. Step 2: Convert to fraction form
    19,732.36/27,231.06 = 11,349.40/x
  3. Step 3: Cross multiply
    19,732.36x = 27,231.06 × 11,349.40
  4. Step 4: Simplify right side
    19,732.36x = 309,056,192.36
  5. Step 5: Solve for x
    x = 309,056,192.36/19,732.36
  6. Step 6: Final answer
    x = 15,662.40

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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.