Home / 17,724.96-26,586.48-5,412

Finding the Fourth Proportional to 17,724.96, 26,586.48 and 5,412

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Solution

The fourth proportional to 17,724.96, 26,586.48 and 5,412 is: 8,117.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,724.96 : 26,586.48 = 5,412 : x
  2. Step 2: Convert to fraction form
    17,724.96/26,586.48 = 5,412/x
  3. Step 3: Cross multiply
    17,724.96x = 26,586.48 × 5,412
  4. Step 4: Simplify right side
    17,724.96x = 143,886,029.76
  5. Step 5: Solve for x
    x = 143,886,029.76/17,724.96
  6. Step 6: Final answer
    x = 8,117.71

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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.