Home / 19,911.12-27,476.54-11,734.64

Finding the Fourth Proportional to 19,911.12, 27,476.54 and 11,734.64

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Solution

The fourth proportional to 19,911.12, 27,476.54 and 11,734.64 is: 16,193.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,911.12 : 27,476.54 = 11,734.64 : x
  2. Step 2: Convert to fraction form
    19,911.12/27,476.54 = 11,734.64/x
  3. Step 3: Cross multiply
    19,911.12x = 27,476.54 × 11,734.64
  4. Step 4: Simplify right side
    19,911.12x = 322,427,109.29
  5. Step 5: Solve for x
    x = 322,427,109.29/19,911.12
  6. Step 6: Final answer
    x = 16,193.32

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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.