Home / 19,945.04-27,520.36-11,984.36

Finding the Fourth Proportional to 19,945.04, 27,520.36 and 11,984.36

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Solution

The fourth proportional to 19,945.04, 27,520.36 and 11,984.36 is: 16,536.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,945.04 : 27,520.36 = 11,984.36 : x
  2. Step 2: Convert to fraction form
    19,945.04/27,520.36 = 11,984.36/x
  3. Step 3: Cross multiply
    19,945.04x = 27,520.36 × 11,984.36
  4. Step 4: Simplify right side
    19,945.04x = 329,813,734.01
  5. Step 5: Solve for x
    x = 329,813,734.01/19,945.04
  6. Step 6: Final answer
    x = 16,536.13

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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.