Home / 19,899.36-27,463.48-11,404.24

Finding the Fourth Proportional to 19,899.36, 27,463.48 and 11,404.24

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Solution

The fourth proportional to 19,899.36, 27,463.48 and 11,404.24 is: 15,739.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,899.36 : 27,463.48 = 11,404.24 : x
  2. Step 2: Convert to fraction form
    19,899.36/27,463.48 = 11,404.24/x
  3. Step 3: Cross multiply
    19,899.36x = 27,463.48 × 11,404.24
  4. Step 4: Simplify right side
    19,899.36x = 313,200,117.16
  5. Step 5: Solve for x
    x = 313,200,117.16/19,899.36
  6. Step 6: Final answer
    x = 15,739.21

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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.