Home / 17,785.88-26,689.50-7,110.33

Finding the Fourth Proportional to 17,785.88, 26,689.50 and 7,110.33

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Solution

The fourth proportional to 17,785.88, 26,689.50 and 7,110.33 is: 10,669.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,785.88 : 26,689.50 = 7,110.33 : x
  2. Step 2: Convert to fraction form
    17,785.88/26,689.50 = 7,110.33/x
  3. Step 3: Cross multiply
    17,785.88x = 26,689.50 × 7,110.33
  4. Step 4: Simplify right side
    17,785.88x = 189,771,152.54
  5. Step 5: Solve for x
    x = 189,771,152.54/17,785.88
  6. Step 6: Final answer
    x = 10,669.76

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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.