Home / 19,945.26-27,528.48-11,453.13

Finding the Fourth Proportional to 19,945.26, 27,528.48 and 11,453.13

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Solution

The fourth proportional to 19,945.26, 27,528.48 and 11,453.13 is: 15,807.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,945.26 : 27,528.48 = 11,453.13 : x
  2. Step 2: Convert to fraction form
    19,945.26/27,528.48 = 11,453.13/x
  3. Step 3: Cross multiply
    19,945.26x = 27,528.48 × 11,453.13
  4. Step 4: Simplify right side
    19,945.26x = 315,287,260.14
  5. Step 5: Solve for x
    x = 315,287,260.14/19,945.26
  6. Step 6: Final answer
    x = 15,807.63

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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.