Home / 13,026.36-19,513.62-11,177.40

Finding the Fourth Proportional to 13,026.36, 19,513.62 and 11,177.40

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Solution

The fourth proportional to 13,026.36, 19,513.62 and 11,177.40 is: 16,743.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,026.36 : 19,513.62 = 11,177.40 : x
  2. Step 2: Convert to fraction form
    13,026.36/19,513.62 = 11,177.40/x
  3. Step 3: Cross multiply
    13,026.36x = 19,513.62 × 11,177.40
  4. Step 4: Simplify right side
    13,026.36x = 218,111,536.19
  5. Step 5: Solve for x
    x = 218,111,536.19/13,026.36
  6. Step 6: Final answer
    x = 16,743.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.