Home / 17,435.92-26,139.14-7,567.78

Finding the Fourth Proportional to 17,435.92, 26,139.14 and 7,567.78

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Solution

The fourth proportional to 17,435.92, 26,139.14 and 7,567.78 is: 11,345.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,435.92 : 26,139.14 = 7,567.78 : x
  2. Step 2: Convert to fraction form
    17,435.92/26,139.14 = 7,567.78/x
  3. Step 3: Cross multiply
    17,435.92x = 26,139.14 × 7,567.78
  4. Step 4: Simplify right side
    17,435.92x = 197,815,260.91
  5. Step 5: Solve for x
    x = 197,815,260.91/17,435.92
  6. Step 6: Final answer
    x = 11,345.27

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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.