Home / 19,135.35-26,419.64-17,112.47

Finding the Fourth Proportional to 19,135.35, 26,419.64 and 17,112.47

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Solution

The fourth proportional to 19,135.35, 26,419.64 and 17,112.47 is: 23,626.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,135.35 : 26,419.64 = 17,112.47 : x
  2. Step 2: Convert to fraction form
    19,135.35/26,419.64 = 17,112.47/x
  3. Step 3: Cross multiply
    19,135.35x = 26,419.64 × 17,112.47
  4. Step 4: Simplify right side
    19,135.35x = 452,105,079.25
  5. Step 5: Solve for x
    x = 452,105,079.25/19,135.35
  6. Step 6: Final answer
    x = 23,626.70

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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.