Home / 19,172.64-26,451.39-11,101.89

Finding the Fourth Proportional to 19,172.64, 26,451.39 and 11,101.89

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Solution

The fourth proportional to 19,172.64, 26,451.39 and 11,101.89 is: 15,316.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,172.64 : 26,451.39 = 11,101.89 : x
  2. Step 2: Convert to fraction form
    19,172.64/26,451.39 = 11,101.89/x
  3. Step 3: Cross multiply
    19,172.64x = 26,451.39 × 11,101.89
  4. Step 4: Simplify right side
    19,172.64x = 293,660,422.13
  5. Step 5: Solve for x
    x = 293,660,422.13/19,172.64
  6. Step 6: Final answer
    x = 15,316.64

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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.