Home / 19,171.83-26,450.28-11,101.08

Finding the Fourth Proportional to 19,171.83, 26,450.28 and 11,101.08

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Solution

The fourth proportional to 19,171.83, 26,450.28 and 11,101.08 is: 15,315.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,171.83 : 26,450.28 = 11,101.08 : x
  2. Step 2: Convert to fraction form
    19,171.83/26,450.28 = 11,101.08/x
  3. Step 3: Cross multiply
    19,171.83x = 26,450.28 × 11,101.08
  4. Step 4: Simplify right side
    19,171.83x = 293,626,593.49
  5. Step 5: Solve for x
    x = 293,626,593.49/19,171.83
  6. Step 6: Final answer
    x = 15,315.52

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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.