Home / 13,059.29-19,590.32-4,171.51

Finding the Fourth Proportional to 13,059.29, 19,590.32 and 4,171.51

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Solution

The fourth proportional to 13,059.29, 19,590.32 and 4,171.51 is: 6,257.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,059.29 : 19,590.32 = 4,171.51 : x
  2. Step 2: Convert to fraction form
    13,059.29/19,590.32 = 4,171.51/x
  3. Step 3: Cross multiply
    13,059.29x = 19,590.32 × 4,171.51
  4. Step 4: Simplify right side
    13,059.29x = 81,721,215.78
  5. Step 5: Solve for x
    x = 81,721,215.78/13,059.29
  6. Step 6: Final answer
    x = 6,257.71

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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.