Home / 23,021.82-34,547.31-13,180.32

Finding the Fourth Proportional to 23,021.82, 34,547.31 and 13,180.32

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Solution

The fourth proportional to 23,021.82, 34,547.31 and 13,180.32 is: 19,778.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,021.82 : 34,547.31 = 13,180.32 : x
  2. Step 2: Convert to fraction form
    23,021.82/34,547.31 = 13,180.32/x
  3. Step 3: Cross multiply
    23,021.82x = 34,547.31 × 13,180.32
  4. Step 4: Simplify right side
    23,021.82x = 455,344,600.94
  5. Step 5: Solve for x
    x = 455,344,600.94/23,021.82
  6. Step 6: Final answer
    x = 19,778.83

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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.