Home / 19,846.52-27,399.32-13,507.28

Finding the Fourth Proportional to 19,846.52, 27,399.32 and 13,507.28

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Solution

The fourth proportional to 19,846.52, 27,399.32 and 13,507.28 is: 18,647.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,846.52 : 27,399.32 = 13,507.28 : x
  2. Step 2: Convert to fraction form
    19,846.52/27,399.32 = 13,507.28/x
  3. Step 3: Cross multiply
    19,846.52x = 27,399.32 × 13,507.28
  4. Step 4: Simplify right side
    19,846.52x = 370,090,287.05
  5. Step 5: Solve for x
    x = 370,090,287.05/19,846.52
  6. Step 6: Final answer
    x = 18,647.62

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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.