Home / 19,645.36-27,112.08-11,263.12

Finding the Fourth Proportional to 19,645.36, 27,112.08 and 11,263.12

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Solution

The fourth proportional to 19,645.36, 27,112.08 and 11,263.12 is: 15,543.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,645.36 : 27,112.08 = 11,263.12 : x
  2. Step 2: Convert to fraction form
    19,645.36/27,112.08 = 11,263.12/x
  3. Step 3: Cross multiply
    19,645.36x = 27,112.08 × 11,263.12
  4. Step 4: Simplify right side
    19,645.36x = 305,366,610.49
  5. Step 5: Solve for x
    x = 305,366,610.49/19,645.36
  6. Step 6: Final answer
    x = 15,543.96

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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.