Home / 17,902.07-26,856.17-7,377.81

Finding the Fourth Proportional to 17,902.07, 26,856.17 and 7,377.81

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Solution

The fourth proportional to 17,902.07, 26,856.17 and 7,377.81 is: 11,067.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,902.07 : 26,856.17 = 7,377.81 : x
  2. Step 2: Convert to fraction form
    17,902.07/26,856.17 = 7,377.81/x
  3. Step 3: Cross multiply
    17,902.07x = 26,856.17 × 7,377.81
  4. Step 4: Simplify right side
    17,902.07x = 198,139,719.59
  5. Step 5: Solve for x
    x = 198,139,719.59/17,902.07
  6. Step 6: Final answer
    x = 11,067.98

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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.